43157046925 has 12 divisors (see below), whose sum is σ = 53539799796. Its totient is φ = 34509468800.

The previous prime is 43157046883. The next prime is 43157046979. The reversal of 43157046925 is 52964075134.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 8833556169 + 34323490756 = 93987^2 + 185266^2 .

It is not a de Polignac number, because 43157046925 - 2²⁷ = 43022829197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349624 + ... + 456673.

It is an arithmetic number, because the mean of its divisors is an integer number (4461649983).

Almost surely, 2^43157046925 is an apocalyptic number.

It is an amenable number.

43157046925 is a deficient number, since it is larger than the sum of its proper divisors (10382752871).

43157046925 is a wasteful number, since it uses less digits than its factorization.

43157046925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808448 (or 808443 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 43157046925 in words is "forty-three billion, one hundred fifty-seven million, forty-six thousand, nine hundred twenty-five".