45255161 has 4 divisors (see below), whose sum is σ = 51720192. Its totient is φ = 38790132.

The previous prime is 45255151. The next prime is 45255211. The reversal of 45255161 is 16155254.

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 not a de Polignac number, because 45255161 - 2⁶ = 45255097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45255101) 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, 3232505 + ... + 3232518.

It is an arithmetic number, because the mean of its divisors is an integer number (12930048).

Almost surely, 2^45255161 is an apocalyptic number.

It is an amenable number.

45255161 is a deficient number, since it is larger than the sum of its proper divisors (6465031).

45255161 is an equidigital number, since it uses as much as digits as its factorization.

45255161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6465030.

The product of its digits is 6000, while the sum is 29.

The square root of 45255161 is about 6727.1956267081. The cubic root of 45255161 is about 356.3603455859.

The spelling of 45255161 in words is "forty-five million, two hundred fifty-five thousand, one hundred sixty-one".