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148625685 = 3451328229
BaseRepresentation
bin10001101101111…
…01100100010101
3101100122222010000
420312331210111
5301022010220
622425321513
73453204015
oct1066754425
9340588100
10148625685
117699374a
1241936299
1324a3a4c0
1415a4bc45
15d0ac390
hex8dbd915

148625685 has 40 divisors (see below), whose sum is σ = 286929720. Its totient is φ = 73166976.

The previous prime is 148625671. The next prime is 148625689. The reversal of 148625685 is 586526841.

148625685 is a `hidden beast` number, since 1 + 4 + 86 + 2 + 568 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5560164 + 143065521 = 2358^2 + 11961^2 .

It is not a de Polignac number, because 148625685 - 29 = 148625173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 148625685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148625689) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8850 + ... + 19379.

It is an arithmetic number, because the mean of its divisors is an integer number (7173243).

Almost surely, 2148625685 is an apocalyptic number.

148625685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148625685 is a deficient number, since it is larger than the sum of its proper divisors (138304035).

148625685 is a wasteful number, since it uses less digits than its factorization.

148625685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28259 (or 28250 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 148625685 is about 12191.2134342731. The cubic root of 148625685 is about 529.7016060931.

The spelling of 148625685 in words is "one hundred forty-eight million, six hundred twenty-five thousand, six hundred eighty-five".

Divisors: 1 3 5 9 13 15 27 39 45 65 81 117 135 195 351 405 585 1053 1755 5265 28229 84687 141145 254061 366977 423435 762183 1100931 1270305 1834885 2286549 3302793 3810915 5504655 9908379 11432745 16513965 29725137 49541895 148625685