172155002 has 8 divisors (see below), whose sum is σ = 258315156. Its totient is φ = 86049952.

The previous prime is 172154963. The next prime is 172155037. The reversal of 172155002 is 200551271.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 171112561 + 1042441 = 13081^2 + 1021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4793 + ... + 19164.

Almost surely, 2^172155002 is an apocalyptic number.

172155002 is a deficient number, since it is larger than the sum of its proper divisors (86160154).

172155002 is a wasteful number, since it uses less digits than its factorization.

172155002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27552.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 172155002 is about 13120.7851137041. The cubic root of 172155002 is about 556.2967831376.

The spelling of 172155002 in words is "one hundred seventy-two million, one hundred fifty-five thousand, two".