152406305 has 4 divisors (see below), whose sum is σ = 182887572. Its totient is φ = 121925040.

The previous prime is 152406299. The next prime is 152406311. The reversal of 152406305 is 503604251.

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

It is an interprime number because it is at equal distance from previous prime (152406299) and next prime (152406311).

It can be written as a sum of positive squares in 2 ways, for example, as 83466496 + 68939809 = 9136^2 + 8303^2 .

It is not a de Polignac number, because 152406305 - 2²⁴ = 135629089 is a prime.

It is a Duffinian number.

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, 15240626 + ... + 15240635.

It is an arithmetic number, because the mean of its divisors is an integer number (45721893).

Almost surely, 2^152406305 is an apocalyptic number.

It is an amenable number.

152406305 is a deficient number, since it is larger than the sum of its proper divisors (30481267).

152406305 is an equidigital number, since it uses as much as digits as its factorization.

152406305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30481266.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 152406305 is about 12345.2948526959. The cubic root of 152406305 is about 534.1554263820.

The spelling of 152406305 in words is "one hundred fifty-two million, four hundred six thousand, three hundred five".