155375925 has 24 divisors (see below), whose sum is σ = 268060224. Its totient is φ = 79263360.

The previous prime is 155375923. The next prime is 155375951. The reversal of 155375925 is 529573551.

It is not a de Polignac number, because 155375925 - 2¹ = 155375923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155375921) 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 23 ways as a sum of consecutive naturals, for example, 43312 + ... + 46761.

It is an arithmetic number, because the mean of its divisors is an integer number (11169176).

Almost surely, 2^155375925 is an apocalyptic number.

155375925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155375925 is a deficient number, since it is larger than the sum of its proper divisors (112684299).

155375925 is a wasteful number, since it uses less digits than its factorization.

155375925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90109 (or 90104 counting only the distinct ones).

The product of its digits is 236250, while the sum is 42.

The square root of 155375925 is about 12464.9879662998. The cubic root of 155375925 is about 537.6024538789.

The spelling of 155375925 in words is "one hundred fifty-five million, three hundred seventy-five thousand, nine hundred twenty-five".