43901157 has 16 divisors (see below), whose sum is σ = 64117440. Its totient is φ = 26595072.

The previous prime is 43901093. The next prime is 43901171. The reversal of 43901157 is 75110934.

It is not a de Polignac number, because 43901157 - 2⁶ = 43901093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43901057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13363 + ... + 16320.

It is an arithmetic number, because the mean of its divisors is an integer number (4007340).

Almost surely, 2^43901157 is an apocalyptic number.

It is an amenable number.

43901157 is a deficient number, since it is larger than the sum of its proper divisors (20216283).

43901157 is a wasteful number, since it uses less digits than its factorization.

43901157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29732.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 43901157 is about 6625.7948202461. The cubic root of 43901157 is about 352.7702791048.

The spelling of 43901157 in words is "forty-three million, nine hundred one thousand, one hundred fifty-seven".