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148645814 = 25310931283
BaseRepresentation
bin10001101110000…
…10011110110110
3101100200222201112
420313002132312
5301023131224
622425555022
73453316502
oct1067023666
9340628645
10148645814
11769a7889
1241945a72
1324a46705
1415a55302
15d0b330e
hex8dc27b6

148645814 has 16 divisors (see below), whose sum is σ = 227560752. Its totient is φ = 72797088.

The previous prime is 148645801. The next prime is 148645817. The reversal of 148645814 is 418546841.

It is a happy number.

148645814 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148645817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115217 + ... + 116499.

It is an arithmetic number, because the mean of its divisors is an integer number (14222547).

Almost surely, 2148645814 is an apocalyptic number.

148645814 is a deficient number, since it is larger than the sum of its proper divisors (78914938).

148645814 is a wasteful number, since it uses less digits than its factorization.

148645814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431.

The product of its digits is 122880, while the sum is 41.

The square root of 148645814 is about 12192.0389599115. The cubic root of 148645814 is about 529.7255182505.

The spelling of 148645814 in words is "one hundred forty-eight million, six hundred forty-five thousand, eight hundred fourteen".

Divisors: 1 2 53 106 1093 1283 2186 2566 57929 67999 115858 135998 1402319 2804638 74322907 148645814