45311322 has 16 divisors (see below), whose sum is σ = 103568832. Its totient is φ = 12946080.

The previous prime is 45311317. The next prime is 45311339. The reversal of 45311322 is 22311354.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539379 + ... + 539462.

It is an arithmetic number, because the mean of its divisors is an integer number (6473052).

Almost surely, 2^45311322 is an apocalyptic number.

45311322 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

45311322 is an abundant number, since it is smaller than the sum of its proper divisors (58257510).

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

45311322 is a wasteful number, since it uses less digits than its factorization.

45311322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078853.

The product of its digits is 720, while the sum is 21.

The square root of 45311322 is about 6731.3685087061. The cubic root of 45311322 is about 356.5076973265.

Adding to 45311322 its reverse (22311354), we get a palindrome (67622676).

The spelling of 45311322 in words is "forty-five million, three hundred eleven thousand, three hundred twenty-two".