45612437 has 4 divisors (see below), whose sum is σ = 49121100. Its totient is φ = 42103776.

The previous prime is 45612421. The next prime is 45612443. The reversal of 45612437 is 73421654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20921476 + 24690961 = 4574^2 + 4969^2 .

It is not a de Polignac number, because 45612437 - 2⁴ = 45612421 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 (45612937) 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, 1754312 + ... + 1754337.

It is an arithmetic number, because the mean of its divisors is an integer number (12280275).

Almost surely, 2^45612437 is an apocalyptic number.

It is an amenable number.

45612437 is a deficient number, since it is larger than the sum of its proper divisors (3508663).

45612437 is a wasteful number, since it uses less digits than its factorization.

45612437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508662.

The product of its digits is 20160, while the sum is 32.

The square root of 45612437 is about 6753.6980240458. The cubic root of 45612437 is about 357.2956747236.

The spelling of 45612437 in words is "forty-five million, six hundred twelve thousand, four hundred thirty-seven".