45726157 has 4 divisors (see below), whose sum is σ = 46789600. Its totient is φ = 44662716.

The previous prime is 45726151. The next prime is 45726169. The reversal of 45726157 is 75162754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75162754 = 2 ⋅37581377.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45726157 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531657 + ... + 531742.

It is an arithmetic number, because the mean of its divisors is an integer number (11697400).

Almost surely, 2^45726157 is an apocalyptic number.

It is an amenable number.

45726157 is a deficient number, since it is larger than the sum of its proper divisors (1063443).

45726157 is a wasteful number, since it uses less digits than its factorization.

45726157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063442.

The product of its digits is 58800, while the sum is 37.

The square root of 45726157 is about 6762.1118742594. Note that the first 3 decimals coincide. The cubic root of 45726157 is about 357.5923623973.

The spelling of 45726157 in words is "forty-five million, seven hundred twenty-six thousand, one hundred fifty-seven".