45663537 has 4 divisors (see below), whose sum is σ = 60884720. Its totient is φ = 30442356.

The previous prime is 45663521. The next prime is 45663539. The reversal of 45663537 is 73536654.

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 45663537 - 2⁴ = 45663521 is a prime.

It is a super-2 number, since 2×45663537² = 4170317222700738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45663495 and 45663504.

It is not an unprimeable number, because it can be changed into a prime (45663539) 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, 7610587 + ... + 7610592.

It is an arithmetic number, because the mean of its divisors is an integer number (15221180).

Almost surely, 2^45663537 is an apocalyptic number.

It is an amenable number.

45663537 is a deficient number, since it is larger than the sum of its proper divisors (15221183).

45663537 is a wasteful number, since it uses less digits than its factorization.

45663537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15221182.

The product of its digits is 226800, while the sum is 39.

The square root of 45663537 is about 6757.4800776621. The cubic root of 45663537 is about 357.4290520529.

The spelling of 45663537 in words is "forty-five million, six hundred sixty-three thousand, five hundred thirty-seven".