45722120 has 16 divisors (see below), whose sum is σ = 102874860. Its totient is φ = 18288832.

The previous prime is 45722111. The next prime is 45722147. The reversal of 45722120 is 2122754.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38763076 + 6959044 = 6226^2 + 2638^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 571487 + ... + 571566.

Almost surely, 2^45722120 is an apocalyptic number.

45722120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45722120 is an abundant number, since it is smaller than the sum of its proper divisors (57152740).

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

45722120 is a wasteful number, since it uses less digits than its factorization.

45722120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143064 (or 1143060 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 45722120 is about 6761.8133662502. The cubic root of 45722120 is about 357.5818385677.

Adding to 45722120 its reverse (2122754), we get a palindrome (47844874).

The spelling of 45722120 in words is "forty-five million, seven hundred twenty-two thousand, one hundred twenty".