172253151452 has 12 divisors (see below), whose sum is σ = 304830015840. Its totient is φ = 85158861216.

The previous prime is 172253151451. The next prime is 172253151461. The reversal of 172253151452 is 254151352271.

It is a super-2 number, since 2×172253151452² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172253151451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241928228 + ... + 241928939.

It is an arithmetic number, because the mean of its divisors is an integer number (25402501320).

Almost surely, 2^172253151452 is an apocalyptic number.

It is an amenable number.

172253151452 is a deficient number, since it is larger than the sum of its proper divisors (132576864388).

172253151452 is a wasteful number, since it uses less digits than its factorization.

172253151452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483857260 (or 483857258 counting only the distinct ones).

The product of its digits is 84000, while the sum is 38.

The spelling of 172253151452 in words is "one hundred seventy-two billion, two hundred fifty-three million, one hundred fifty-one thousand, four hundred fifty-two".