155672125 has 32 divisors (see below), whose sum is σ = 224640000. Its totient is φ = 105494400.

The previous prime is 155672123. The next prime is 155672137. The reversal of 155672125 is 521276551.

It is not a de Polignac number, because 155672125 - 2¹ = 155672123 is a prime.

It is a super-3 number, since 3×155672125³ (a number of 26 digits) contains 333 as substring.

Its product of digits (21000) is a multiple of the sum of its prime divisors (2100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155672123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76876 + ... + 78874.

It is an arithmetic number, because the mean of its divisors is an integer number (7020000).

Almost surely, 2^155672125 is an apocalyptic number.

It is an amenable number.

155672125 is a deficient number, since it is larger than the sum of its proper divisors (68967875).

155672125 is an equidigital number, since it uses as much as digits as its factorization.

155672125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110 (or 2100 counting only the distinct ones).

The product of its digits is 21000, while the sum is 34.

The square root of 155672125 is about 12476.8635882581. The cubic root of 155672125 is about 537.9438554752.

The spelling of 155672125 in words is "one hundred fifty-five million, six hundred seventy-two thousand, one hundred twenty-five".