152621516 has 12 divisors (see below), whose sum is σ = 273602280. Its totient is φ = 74449440.

The previous prime is 152621507. The next prime is 152621527. The reversal of 152621516 is 615126251.

It is a happy number.

It is a super-2 number, since 2×152621516² = 46586654292276512, which contains 22 as substring.

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, 465146 + ... + 465473.

It is an arithmetic number, because the mean of its divisors is an integer number (22800190).

Almost surely, 2^152621516 is an apocalyptic number.

It is an amenable number.

152621516 is a deficient number, since it is larger than the sum of its proper divisors (120980764).

152621516 is a wasteful number, since it uses less digits than its factorization.

152621516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930664 (or 930662 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 152621516 is about 12354.0080945416. The cubic root of 152621516 is about 534.4067328191.

Adding to 152621516 its reverse (615126251), we get a palindrome (767747767).

The spelling of 152621516 in words is "one hundred fifty-two million, six hundred twenty-one thousand, five hundred sixteen".