392427145 has 16 divisors (see below), whose sum is σ = 516704832. Its totient is φ = 283744960.

The previous prime is 392427131. The next prime is 392427169. The reversal of 392427145 is 541724293.

It is not a de Polignac number, because 392427145 - 2⁹ = 392426633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11107 + ... + 30136.

It is an arithmetic number, because the mean of its divisors is an integer number (32294052).

Almost surely, 2^392427145 is an apocalyptic number.

It is an amenable number.

392427145 is a deficient number, since it is larger than the sum of its proper divisors (124277687).

392427145 is a wasteful number, since it uses less digits than its factorization.

392427145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41432.

The product of its digits is 60480, while the sum is 37.

The square root of 392427145 is about 19809.7739764996. The cubic root of 392427145 is about 732.1268710438.

The spelling of 392427145 in words is "three hundred ninety-two million, four hundred twenty-seven thousand, one hundred forty-five".