45145759 has 4 divisors (see below), whose sum is σ = 45236016. Its totient is φ = 45055504.

The previous prime is 45145753. The next prime is 45145777. The reversal of 45145759 is 95754154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95754154 = 2 ⋅47877077.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45145759 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45145753) 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, 44374 + ... + 45379.

It is an arithmetic number, because the mean of its divisors is an integer number (11309004).

Almost surely, 2^45145759 is an apocalyptic number.

45145759 is a deficient number, since it is larger than the sum of its proper divisors (90257).

45145759 is an equidigital number, since it uses as much as digits as its factorization.

45145759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90256.

The product of its digits is 126000, while the sum is 40.

The square root of 45145759 is about 6719.0593835745. The cubic root of 45145759 is about 356.0729530035.

The spelling of 45145759 in words is "forty-five million, one hundred forty-five thousand, seven hundred fifty-nine".