45647157 has 8 divisors (see below), whose sum is σ = 63509184. Its totient is φ = 29108288.

The previous prime is 45647137. The next prime is 45647191. The reversal of 45647157 is 75174654.

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 45647157 - 2⁷ = 45647029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45647137) 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, 330708 + ... + 330845.

It is an arithmetic number, because the mean of its divisors is an integer number (7938648).

Almost surely, 2^45647157 is an apocalyptic number.

It is an amenable number.

45647157 is a deficient number, since it is larger than the sum of its proper divisors (17862027).

45647157 is a wasteful number, since it uses less digits than its factorization.

45647157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661579.

The product of its digits is 117600, while the sum is 39.

The square root of 45647157 is about 6756.2679786995. The cubic root of 45647157 is about 357.3863090648.

The spelling of 45647157 in words is "forty-five million, six hundred forty-seven thousand, one hundred fifty-seven".