45726138 has 12 divisors (see below), whose sum is σ = 99073338. Its totient is φ = 15242040.

The previous prime is 45726133. The next prime is 45726143. The reversal of 45726138 is 83162754.

45726138 is nontrivially palindromic in base 4.

It is an interprime number because it is at equal distance from previous prime (45726133) and next prime (45726143).

It can be written as a sum of positive squares in only one way, i.e., 35247969 + 10478169 = 5937^2 + 3237^2 .

It is not an unprimeable number, because it can be changed into a prime (45726133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1270153 + ... + 1270188.

Almost surely, 2^45726138 is an apocalyptic number.

45726138 is an abundant number, since it is smaller than the sum of its proper divisors (53347200).

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

45726138 is a wasteful number, since it uses less digits than its factorization.

45726138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540349 (or 2540346 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 45726138 is about 6762.1104693727. The cubic root of 45726138 is about 357.5923128687.

The spelling of 45726138 in words is "forty-five million, seven hundred twenty-six thousand, one hundred thirty-eight".