45212707 has 4 divisors (see below), whose sum is σ = 47872296. Its totient is φ = 42553120.

The previous prime is 45212701. The next prime is 45212747. The reversal of 45212707 is 70721254.

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

It is a cyclic number.

It is not a de Polignac number, because 45212707 - 2¹⁹ = 44688419 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45212701) 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, 1329769 + ... + 1329802.

It is an arithmetic number, because the mean of its divisors is an integer number (11968074).

Almost surely, 2^45212707 is an apocalyptic number.

45212707 is a deficient number, since it is larger than the sum of its proper divisors (2659589).

45212707 is a wasteful number, since it uses less digits than its factorization.

45212707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659588.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 45212707 is about 6724.0394853094. The cubic root of 45212707 is about 356.2488764918.

The spelling of 45212707 in words is "forty-five million, two hundred twelve thousand, seven hundred seven".