45122340 has 48 divisors (see below), whose sum is σ = 132995520. Its totient is φ = 11399040.

The previous prime is 45122327. The next prime is 45122353. The reversal of 45122340 is 4322154.

It is an interprime number because it is at equal distance from previous prime (45122327) and next prime (45122353).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18651 + ... + 20930.

It is an arithmetic number, because the mean of its divisors is an integer number (2770740).

Almost surely, 2^45122340 is an apocalyptic number.

It is an amenable number.

45122340 is an abundant number, since it is smaller than the sum of its proper divisors (87873180).

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

45122340 is a wasteful number, since it uses less digits than its factorization.

45122340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39612 (or 39610 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 45122340 is about 6717.3164284556. The cubic root of 45122340 is about 356.0113723590.

Adding to 45122340 its reverse (4322154), we get a palindrome (49444494).

It can be divided in two parts, 451 and 22340, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 45122340 in words is "forty-five million, one hundred twenty-two thousand, three hundred forty".