152421316 has 6 divisors (see below), whose sum is σ = 266737310. Its totient is φ = 76210656.

The previous prime is 152421281. The next prime is 152421317. The reversal of 152421316 is 613124251.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 118897216 + 33524100 = 10904^2 + 5790^2 .

It is not an unprimeable number, because it can be changed into a prime (152421317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19052661 + ... + 19052668.

Almost surely, 2^152421316 is an apocalyptic number.

It is an amenable number.

152421316 is a deficient number, since it is larger than the sum of its proper divisors (114315994).

152421316 is a wasteful number, since it uses less digits than its factorization.

152421316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38105333 (or 38105331 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 152421316 is about 12345.9028021445. The cubic root of 152421316 is about 534.1729627166.

Adding to 152421316 its reverse (613124251), we get a palindrome (765545567).

The spelling of 152421316 in words is "one hundred fifty-two million, four hundred twenty-one thousand, three hundred sixteen".