45726551 has 4 divisors (see below), whose sum is σ = 49243992. Its totient is φ = 42209112.

The previous prime is 45726539. The next prime is 45726589. The reversal of 45726551 is 15562754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15562754 = 2 ⋅7781377.

It is a cyclic number.

It is not a de Polignac number, because 45726551 - 2²² = 41532247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45726151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1758701 + ... + 1758726.

It is an arithmetic number, because the mean of its divisors is an integer number (12310998).

Almost surely, 2^45726551 is an apocalyptic number.

45726551 is a deficient number, since it is larger than the sum of its proper divisors (3517441).

45726551 is a wasteful number, since it uses less digits than its factorization.

45726551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517440.

The product of its digits is 42000, while the sum is 35.

The square root of 45726551 is about 6762.1410071071. The cubic root of 45726551 is about 357.5933894607.

The spelling of 45726551 in words is "forty-five million, seven hundred twenty-six thousand, five hundred fifty-one".