172145362 has 16 divisors (see below), whose sum is σ = 264384000. Its totient is φ = 84037360.

The previous prime is 172145359. The next prime is 172145399. The reversal of 172145362 is 263541271.

It is a super-2 number, since 2×172145362² = 59268051316222088, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12687 + ... + 22477.

It is an arithmetic number, because the mean of its divisors is an integer number (16524000).

Almost surely, 2^172145362 is an apocalyptic number.

172145362 is a deficient number, since it is larger than the sum of its proper divisors (92238638).

172145362 is a wasteful number, since it uses less digits than its factorization.

172145362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001.

The product of its digits is 10080, while the sum is 31.

The square root of 172145362 is about 13120.4177524955. The cubic root of 172145362 is about 556.2863994697.

The spelling of 172145362 in words is "one hundred seventy-two million, one hundred forty-five thousand, three hundred sixty-two".