45864745 has 4 divisors (see below), whose sum is σ = 55037700. Its totient is φ = 36691792.

The previous prime is 45864739. The next prime is 45864757. The reversal of 45864745 is 54746854.

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 16064064 + 29800681 = 4008^2 + 5459^2 .

It is a cyclic number.

It is not a de Polignac number, because 45864745 - 2¹³ = 45856553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4586470 + ... + 4586479.

It is an arithmetic number, because the mean of its divisors is an integer number (13759425).

Almost surely, 2^45864745 is an apocalyptic number.

It is an amenable number.

45864745 is a deficient number, since it is larger than the sum of its proper divisors (9172955).

45864745 is an equidigital number, since it uses as much as digits as its factorization.

45864745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9172954.

The product of its digits is 537600, while the sum is 43.

The square root of 45864745 is about 6772.3515118458. The cubic root of 45864745 is about 357.9532647085.

The spelling of 45864745 in words is "forty-five million, eight hundred sixty-four thousand, seven hundred forty-five".