155487925 has 12 divisors (see below), whose sum is σ = 202953280. Its totient is φ = 117843120.

The previous prime is 155487919. The next prime is 155487929. The reversal of 155487925 is 529784551.

It is not a de Polignac number, because 155487925 - 2¹³ = 155479733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155487929) 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 11 ways as a sum of consecutive naturals, for example, 163197 + ... + 164146.

Almost surely, 2^155487925 is an apocalyptic number.

It is an amenable number.

155487925 is a deficient number, since it is larger than the sum of its proper divisors (47465355).

155487925 is a wasteful number, since it uses less digits than its factorization.

155487925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327372 (or 327367 counting only the distinct ones).

The product of its digits is 504000, while the sum is 46.

The square root of 155487925 is about 12469.4797405505. The cubic root of 155487925 is about 537.7315966084.

The spelling of 155487925 in words is "one hundred fifty-five million, four hundred eighty-seven thousand, nine hundred twenty-five".