45002237 has 24 divisors (see below), whose sum is σ = 55475136. Its totient is φ = 36324288.

The previous prime is 45002219. The next prime is 45002239. The reversal of 45002237 is 73220054.

It is not a de Polignac number, because 45002237 - 2¹² = 44998141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45002239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81998 + ... + 82544.

It is an arithmetic number, because the mean of its divisors is an integer number (2311464).

Almost surely, 2^45002237 is an apocalyptic number.

It is an amenable number.

45002237 is a deficient number, since it is larger than the sum of its proper divisors (10472899).

45002237 is a wasteful number, since it uses less digits than its factorization.

45002237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 45002237 is about 6708.3706665628. The cubic root of 45002237 is about 355.6952242553.

The spelling of 45002237 in words is "forty-five million, two thousand, two hundred thirty-seven".