152213502 has 24 divisors (see below), whose sum is σ = 354130056. Its totient is φ = 43489488.

The previous prime is 152213497. The next prime is 152213533. The reversal of 152213502 is 205312251.

It is a super-2 number, since 2×152213502² = 46337900382208008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258573 + ... + 259160.

It is an arithmetic number, because the mean of its divisors is an integer number (14755419).

Almost surely, 2^152213502 is an apocalyptic number.

152213502 is an abundant number, since it is smaller than the sum of its proper divisors (201916554).

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

152213502 is a wasteful number, since it uses less digits than its factorization.

152213502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517752 (or 517745 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 152213502 is about 12337.4836170104. The cubic root of 152213502 is about 533.9300852512.

Adding to 152213502 its reverse (205312251), we get a palindrome (357525753).

The spelling of 152213502 in words is "one hundred fifty-two million, two hundred thirteen thousand, five hundred two".