656342445 has 32 divisors (see below), whose sum is σ = 1176589440. Its totient is φ = 309623040.

The previous prime is 656342437. The next prime is 656342461. The reversal of 656342445 is 544243656.

It is not a de Polignac number, because 656342445 - 2³ = 656342437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47650 + ... + 59859.

It is an arithmetic number, because the mean of its divisors is an integer number (36768420).

Almost surely, 2^656342445 is an apocalyptic number.

It is an amenable number.

656342445 is a deficient number, since it is larger than the sum of its proper divisors (520246995).

656342445 is a wasteful number, since it uses less digits than its factorization.

656342445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107565.

The product of its digits is 345600, while the sum is 39.

The square root of 656342445 is about 25619.1811930046. The cubic root of 656342445 is about 869.0474645480.

The spelling of 656342445 in words is "six hundred fifty-six million, three hundred forty-two thousand, four hundred forty-five".