45397122 has 32 divisors (see below), whose sum is σ = 94651200. Its totient is φ = 14497728.

The previous prime is 45397117. The next prime is 45397129. The reversal of 45397122 is 22179354.

It is not an unprimeable number, because it can be changed into a prime (45397129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23248 + ... + 25124.

It is an arithmetic number, because the mean of its divisors is an integer number (2957850).

Almost surely, 2^45397122 is an apocalyptic number.

45397122 is an abundant number, since it is smaller than the sum of its proper divisors (49254078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45397122 is a wasteful number, since it uses less digits than its factorization.

45397122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050.

The product of its digits is 15120, while the sum is 33.

The square root of 45397122 is about 6737.7386414137. The cubic root of 45397122 is about 356.7325791172.

The spelling of 45397122 in words is "forty-five million, three hundred ninety-seven thousand, one hundred twenty-two".