45687037 has 4 divisors (see below), whose sum is σ = 49840416. Its totient is φ = 41533660.

The previous prime is 45687029. The next prime is 45687049. The reversal of 45687037 is 73078654.

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 a cyclic number.

It is not a de Polignac number, because 45687037 - 2³ = 45687029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45687137) 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, 2076673 + ... + 2076694.

It is an arithmetic number, because the mean of its divisors is an integer number (12460104).

Almost surely, 2^45687037 is an apocalyptic number.

It is an amenable number.

45687037 is a deficient number, since it is larger than the sum of its proper divisors (4153379).

45687037 is a wasteful number, since it uses less digits than its factorization.

45687037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153378.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 45687037 is about 6759.2186678639. The cubic root of 45687037 is about 357.4903565625.

The spelling of 45687037 in words is "forty-five million, six hundred eighty-seven thousand, thirty-seven".