45722115 has 24 divisors (see below), whose sum is σ = 81098160. Its totient is φ = 23817024.

The previous prime is 45722111. The next prime is 45722147. The reversal of 45722115 is 51122754.

It is not a de Polignac number, because 45722115 - 2² = 45722111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45722111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9880 + ... + 13749.

It is an arithmetic number, because the mean of its divisors is an integer number (3379090).

Almost surely, 2^45722115 is an apocalyptic number.

45722115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45722115 is a deficient number, since it is larger than the sum of its proper divisors (35376045).

45722115 is a wasteful number, since it uses less digits than its factorization.

45722115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23683 (or 23680 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 45722115 is about 6761.8129965269. The cubic root of 45722115 is about 357.5818255331.

Adding to 45722115 its reverse (51122754), we get a palindrome (96844869).

The spelling of 45722115 in words is "forty-five million, seven hundred twenty-two thousand, one hundred fifteen".