152663242 has 4 divisors (see below), whose sum is σ = 228994866. Its totient is φ = 76331620.

The previous prime is 152663239. The next prime is 152663293. The reversal of 152663242 is 242366251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 137147521 + 15515721 = 11711^2 + 3939^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38165809 + ... + 38165812.

Almost surely, 2^152663242 is an apocalyptic number.

152663242 is a deficient number, since it is larger than the sum of its proper divisors (76331624).

152663242 is an equidigital number, since it uses as much as digits as its factorization.

152663242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76331623.

The product of its digits is 17280, while the sum is 31.

The square root of 152663242 is about 12355.6967427984. The cubic root of 152663242 is about 534.4554298052.

The spelling of 152663242 in words is "one hundred fifty-two million, six hundred sixty-three thousand, two hundred forty-two".