45745157 has 4 divisors (see below), whose sum is σ = 45811116. Its totient is φ = 45679200.

The previous prime is 45745153. The next prime is 45745159. The reversal of 45745157 is 75154754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22714756 + 23030401 = 4766^2 + 4799^2 .

It is a cyclic number.

It is not a de Polignac number, because 45745157 - 2² = 45745153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45745157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45745153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31928 + ... + 33329.

It is an arithmetic number, because the mean of its divisors is an integer number (11452779).

Almost surely, 2^45745157 is an apocalyptic number.

It is an amenable number.

45745157 is a deficient number, since it is larger than the sum of its proper divisors (65959).

45745157 is an equidigital number, since it uses as much as digits as its factorization.

45745157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65958.

The product of its digits is 98000, while the sum is 38.

The square root of 45745157 is about 6763.5166148979. The cubic root of 45745157 is about 357.6418841190.

The spelling of 45745157 in words is "forty-five million, seven hundred forty-five thousand, one hundred fifty-seven".