323145152 has 28 divisors (see below), whose sum is σ = 699537336. Its totient is φ = 146883840.

The previous prime is 323145139. The next prime is 323145191. The reversal of 323145152 is 251541323.

It is a happy number.

It is a super-2 number, since 2×323145152² = 208845578522206208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 228803 + ... + 230210.

Almost surely, 2^323145152 is an apocalyptic number.

323145152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

323145152 is an abundant number, since it is smaller than the sum of its proper divisors (376392184).

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

323145152 is a wasteful number, since it uses less digits than its factorization.

323145152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459036 (or 459026 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 323145152 is about 17976.2385386932. The cubic root of 323145152 is about 686.2239661746.

Adding to 323145152 its reverse (251541323), we get a palindrome (574686475).

The spelling of 323145152 in words is "three hundred twenty-three million, one hundred forty-five thousand, one hundred fifty-two".