45212522 has 8 divisors (see below), whose sum is σ = 69396096. Its totient is φ = 22080492.

The previous prime is 45212521. The next prime is 45212527. The reversal of 45212522 is 22521254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (45212521) 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, 262778 + ... + 262949.

It is an arithmetic number, because the mean of its divisors is an integer number (8674512).

Almost surely, 2^45212522 is an apocalyptic number.

45212522 is a deficient number, since it is larger than the sum of its proper divisors (24183574).

45212522 is a wasteful number, since it uses less digits than its factorization.

45212522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525772.

The product of its digits is 1600, while the sum is 23.

The square root of 45212522 is about 6724.0257286837. The cubic root of 45212522 is about 356.2483905950.

Adding to 45212522 its reverse (22521254), we get a palindrome (67733776).

It can be divided in two parts, 4521252 and 2, that added together give a palindrome (4521254).

The spelling of 45212522 in words is "forty-five million, two hundred twelve thousand, five hundred twenty-two".