152304493 has 4 divisors (see below), whose sum is σ = 166150368. Its totient is φ = 138458620.

The previous prime is 152304473. The next prime is 152304511. The reversal of 152304493 is 394403251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152304493 - 2⁵ = 152304461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152304473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6922921 + ... + 6922942.

It is an arithmetic number, because the mean of its divisors is an integer number (41537592).

Almost surely, 2^152304493 is an apocalyptic number.

It is an amenable number.

152304493 is a deficient number, since it is larger than the sum of its proper divisors (13845875).

152304493 is a wasteful number, since it uses less digits than its factorization.

152304493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13845874.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 152304493 is about 12341.1706494967. The cubic root of 152304493 is about 534.0364559175.

The spelling of 152304493 in words is "one hundred fifty-two million, three hundred four thousand, four hundred ninety-three".