157655925 has 72 divisors (see below), whose sum is σ = 333232640. Its totient is φ = 69724800.

The previous prime is 157655899. The next prime is 157655933. The reversal of 157655925 is 529556751.

157655925 is a `hidden beast` number, since 1 + 5 + 76 + 559 + 25 = 666.

It is not a de Polignac number, because 157655925 - 2¹⁰ = 157654901 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47211 + ... + 50439.

Almost surely, 2^157655925 is an apocalyptic number.

157655925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157655925 is an abundant number, since it is smaller than the sum of its proper divisors (175576715).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157655925 is a wasteful number, since it uses less digits than its factorization.

157655925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283 (or 3275 counting only the distinct ones).

The product of its digits is 472500, while the sum is 45.

The square root of 157655925 is about 12556.1110619491. Note that the first 3 decimals coincide. The cubic root of 157655925 is about 540.2193039287.

The spelling of 157655925 in words is "one hundred fifty-seven million, six hundred fifty-five thousand, nine hundred twenty-five".