45940157 has 4 divisors (see below), whose sum is σ = 48358080. Its totient is φ = 43522236.

The previous prime is 45940151. The next prime is 45940187. The reversal of 45940157 is 75104954.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45940157 - 2⁶ = 45940093 is a prime.

It is a super-2 number, since 2×45940157² = 4220996050369298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45940151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208933 + ... + 1208970.

It is an arithmetic number, because the mean of its divisors is an integer number (12089520).

Almost surely, 2^45940157 is an apocalyptic number.

It is an amenable number.

45940157 is a deficient number, since it is larger than the sum of its proper divisors (2417923).

45940157 is a wasteful number, since it uses less digits than its factorization.

45940157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417922.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 45940157 is about 6777.9168628717. The cubic root of 45940157 is about 358.1493426209.

The spelling of 45940157 in words is "forty-five million, nine hundred forty thousand, one hundred fifty-seven".