45212305 has 16 divisors (see below), whose sum is σ = 59083200. Its totient is φ = 33082560.

The previous prime is 45212287. The next prime is 45212309. The reversal of 45212305 is 50321254.

It is not a de Polignac number, because 45212305 - 2⁷ = 45212177 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (45212309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5451 + ... + 10960.

It is an arithmetic number, because the mean of its divisors is an integer number (3692700).

Almost surely, 2^45212305 is an apocalyptic number.

It is an amenable number.

45212305 is a deficient number, since it is larger than the sum of its proper divisors (13870895).

45212305 is a wasteful number, since it uses less digits than its factorization.

45212305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16464.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45212305 is about 6724.0095924976. The cubic root of 45212305 is about 356.2478206494.

Adding to 45212305 its reverse (50321254), we get a palindrome (95533559).

The spelling of 45212305 in words is "forty-five million, two hundred twelve thousand, three hundred five".