45913645 has 8 divisors (see below), whose sum is σ = 56440440. Its totient is φ = 35834880.

The previous prime is 45913643. The next prime is 45913649. The reversal of 45913645 is 54631954.

It can be written as a sum of positive squares in 4 ways, for example, as 2709316 + 43204329 = 1646^2 + 6573^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45913645 - 2¹ = 45913643 is a prime.

It is a super-3 number, since 3×45913645³ (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 (45913643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111780 + ... + 112189.

It is an arithmetic number, because the mean of its divisors is an integer number (7055055).

Almost surely, 2^45913645 is an apocalyptic number.

It is an amenable number.

45913645 is a deficient number, since it is larger than the sum of its proper divisors (10526795).

45913645 is a wasteful number, since it uses less digits than its factorization.

45913645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224015.

The product of its digits is 64800, while the sum is 37.

The square root of 45913645 is about 6775.9608174782. The cubic root of 45913645 is about 358.0804335361.

The spelling of 45913645 in words is "forty-five million, nine hundred thirteen thousand, six hundred forty-five".