183172152 has 32 divisors (see below), whose sum is σ = 459636480. Its totient is φ = 60829920.

The previous prime is 183172139. The next prime is 183172153. The reversal of 183172152 is 251271381.

It is a super-2 number, since 2×183172152² = 67104074536622208, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183172153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7578 + ... + 20585.

It is an arithmetic number, because the mean of its divisors is an integer number (14363640).

Almost surely, 2^183172152 is an apocalyptic number.

183172152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

183172152 is an abundant number, since it is smaller than the sum of its proper divisors (276464328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

183172152 is a wasteful number, since it uses less digits than its factorization.

183172152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28443 (or 28439 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 183172152 is about 13534.1106837502. The cubic root of 183172152 is about 567.9191100176.

The spelling of 183172152 in words is "one hundred eighty-three million, one hundred seventy-two thousand, one hundred fifty-two".