45368537 has 4 divisors (see below), whose sum is σ = 45428916. Its totient is φ = 45308160.

The previous prime is 45368527. The next prime is 45368573. The reversal of 45368537 is 73586354.

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 22174681 + 23193856 = 4709^2 + 4816^2 .

It is a cyclic number.

It is not a de Polignac number, because 45368537 - 2⁶ = 45368473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45368494 and 45368503.

It is not an unprimeable number, because it can be changed into a prime (45368507) 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, 29048 + ... + 30569.

It is an arithmetic number, because the mean of its divisors is an integer number (11357229).

Almost surely, 2^45368537 is an apocalyptic number.

It is an amenable number.

45368537 is a deficient number, since it is larger than the sum of its proper divisors (60379).

45368537 is an equidigital number, since it uses as much as digits as its factorization.

45368537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60378.

The product of its digits is 302400, while the sum is 41.

The square root of 45368537 is about 6735.6170467152. The cubic root of 45368537 is about 356.6576893345.

The spelling of 45368537 in words is "forty-five million, three hundred sixty-eight thousand, five hundred thirty-seven".