152445386 has 4 divisors (see below), whose sum is σ = 228668082. Its totient is φ = 76222692.

The previous prime is 152445367. The next prime is 152445407. The reversal of 152445386 is 683544251.

152445386 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 132687361 + 19758025 = 11519^2 + 4445^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38111345 + ... + 38111348.

Almost surely, 2^152445386 is an apocalyptic number.

152445386 is a deficient number, since it is larger than the sum of its proper divisors (76222696).

152445386 is an equidigital number, since it uses as much as digits as its factorization.

152445386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76222695.

The product of its digits is 115200, while the sum is 38.

The square root of 152445386 is about 12346.8775809919. The cubic root of 152445386 is about 534.2010796642.

The spelling of 152445386 in words is "one hundred fifty-two million, four hundred forty-five thousand, three hundred eighty-six".