45741645 has 64 divisors (see below), whose sum is σ = 90720000. Its totient is φ = 21731328.

The previous prime is 45741629. The next prime is 45741649. The reversal of 45741645 is 54614754.

45741645 is a `hidden beast` number, since 4 + 5 + 7 + 4 + 1 + 645 = 666.

It is not a de Polignac number, because 45741645 - 2⁴ = 45741629 is a prime.

It is a super-3 number, since 3×45741645³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45741649) 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, 43081 + ... + 44129.

It is an arithmetic number, because the mean of its divisors is an integer number (1417500).

Almost surely, 2^45741645 is an apocalyptic number.

45741645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45741645 is a deficient number, since it is larger than the sum of its proper divisors (44978355).

45741645 is a wasteful number, since it uses less digits than its factorization.

45741645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099 (or 1093 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 45741645 is about 6763.2569816620. The cubic root of 45741645 is about 357.6327314529.

The spelling of 45741645 in words is "forty-five million, seven hundred forty-one thousand, six hundred forty-five".