45723051 has 24 divisors (see below), whose sum is σ = 72452016. Its totient is φ = 27555840.

The previous prime is 45723049. The next prime is 45723059. The reversal of 45723051 is 15032754.

It is a happy number.

It is not a de Polignac number, because 45723051 - 2¹ = 45723049 is a prime.

It is a super-3 number, since 3×45723051³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45723059) 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, 17911 + ... + 20303.

It is an arithmetic number, because the mean of its divisors is an integer number (3018834).

Almost surely, 2^45723051 is an apocalyptic number.

45723051 is a deficient number, since it is larger than the sum of its proper divisors (26728965).

45723051 is a wasteful number, since it uses less digits than its factorization.

45723051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603 (or 2600 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 45723051 is about 6761.8822083796. The cubic root of 45723051 is about 357.5842655945.

The spelling of 45723051 in words is "forty-five million, seven hundred twenty-three thousand, fifty-one".