45227637 has 72 divisors (see below), whose sum is σ = 85647744. Its totient is φ = 22819104.

The previous prime is 45227597. The next prime is 45227641. The reversal of 45227637 is 73672254.

It is a happy number.

It is not a de Polignac number, because 45227637 - 2⁶ = 45227573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45227647) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1966408 + ... + 1966430.

It is an arithmetic number, because the mean of its divisors is an integer number (1189552).

Almost surely, 2^45227637 is an apocalyptic number.

It is an amenable number.

45227637 is a deficient number, since it is larger than the sum of its proper divisors (40420107).

45227637 is an equidigital number, since it uses as much as digits as its factorization.

45227637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 46 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 45227637 is about 6725.1495894143. The cubic root of 45227637 is about 356.2880853096.

The spelling of 45227637 in words is "forty-five million, two hundred twenty-seven thousand, six hundred thirty-seven".