45417581 has 8 divisors (see below), whose sum is σ = 52154400. Its totient is φ = 39115440.

The previous prime is 45417577. The next prime is 45417583. The reversal of 45417581 is 18571454.

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

It is a cyclic number.

It is not a de Polignac number, because 45417581 - 2² = 45417577 is a prime.

It is a super-2 number, since 2×45417581² = 4125513327783122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45417583) 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, 108446 + ... + 108863.

It is an arithmetic number, because the mean of its divisors is an integer number (6519300).

Almost surely, 2^45417581 is an apocalyptic number.

It is an amenable number.

45417581 is a deficient number, since it is larger than the sum of its proper divisors (6736819).

45417581 is a wasteful number, since it uses less digits than its factorization.

45417581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217339.

The product of its digits is 22400, while the sum is 35.

The square root of 45417581 is about 6739.2567097566. The cubic root of 45417581 is about 356.7861603091.

The spelling of 45417581 in words is "forty-five million, four hundred seventeen thousand, five hundred eighty-one".