45651573 has 64 divisors (see below), whose sum is σ = 79349760. Its totient is φ = 25660800.

The previous prime is 45651569. The next prime is 45651581. The reversal of 45651573 is 37515654.

It is not a de Polignac number, because 45651573 - 2² = 45651569 is a prime.

It is a super-2 number, since 2×45651573² = 4168132234748658, which contains 22 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45651553) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 279990 + ... + 280152.

It is an arithmetic number, because the mean of its divisors is an integer number (1239840).

Almost surely, 2^45651573 is an apocalyptic number.

It is an amenable number.

45651573 is a deficient number, since it is larger than the sum of its proper divisors (33698187).

45651573 is a wasteful number, since it uses less digits than its factorization.

45651573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 241 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 45651573 is about 6756.5947784368. The cubic root of 45651573 is about 357.3978334557.

The spelling of 45651573 in words is "forty-five million, six hundred fifty-one thousand, five hundred seventy-three".