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148539157 = 1343467569
BaseRepresentation
bin10001101101010…
…00011100010101
3101100111120102021
420312220130111
5301011223112
622423413141
73452363524
oct1066503425
9340446367
10148539157
1176934738
12418b41b1
1324a09cc0
1415a284bb
15d091907
hex8da8715

148539157 has 16 divisors (see below), whose sum is σ = 164324160. Its totient is φ = 133402752.

The previous prime is 148539133. The next prime is 148539161. The reversal of 148539157 is 751935841.

It is a cyclic number.

It is not a de Polignac number, because 148539157 - 215 = 148506389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148539257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260769 + ... + 261337.

It is an arithmetic number, because the mean of its divisors is an integer number (10270260).

Almost surely, 2148539157 is an apocalyptic number.

It is an amenable number.

148539157 is a deficient number, since it is larger than the sum of its proper divisors (15785003).

148539157 is a wasteful number, since it uses less digits than its factorization.

148539157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092.

The product of its digits is 151200, while the sum is 43.

The square root of 148539157 is about 12187.6641322281. The cubic root of 148539157 is about 529.5987909390.

The spelling of 148539157 in words is "one hundred forty-eight million, five hundred thirty-nine thousand, one hundred fifty-seven".

Divisors: 1 13 43 467 559 569 6071 7397 20081 24467 261053 265723 318071 3454399 11426089 148539157