43157064 has 16 divisors (see below), whose sum is σ = 107892720. Its totient is φ = 14385680.

The previous prime is 43157063. The next prime is 43157069. The reversal of 43157064 is 46075134.

It is not an unprimeable number, because it can be changed into a prime (43157063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899082 + ... + 899129.

It is an arithmetic number, because the mean of its divisors is an integer number (6743295).

Almost surely, 2^43157064 is an apocalyptic number.

It is an amenable number.

43157064 is an abundant number, since it is smaller than the sum of its proper divisors (64735656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43157064 is a wasteful number, since it uses less digits than its factorization.

43157064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798220 (or 1798216 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 43157064 is about 6569.4036259009. The cubic root of 43157064 is about 350.7658441028.

The spelling of 43157064 in words is "forty-three million, one hundred fifty-seven thousand, sixty-four".