45033161 has 4 divisors (see below), whose sum is σ = 45099024. Its totient is φ = 44967300.

The previous prime is 45033139. The next prime is 45033167. The reversal of 45033161 is 16133054.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45033161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45033167) 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, 31895 + ... + 33276.

It is an arithmetic number, because the mean of its divisors is an integer number (11274756).

Almost surely, 2^45033161 is an apocalyptic number.

It is an amenable number.

45033161 is a deficient number, since it is larger than the sum of its proper divisors (65863).

45033161 is an equidigital number, since it uses as much as digits as its factorization.

45033161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65862.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 45033161 is about 6710.6751523226. The cubic root of 45033161 is about 355.7766794696.

The spelling of 45033161 in words is "forty-five million, thirty-three thousand, one hundred sixty-one".