45259161 has 4 divisors (see below), whose sum is σ = 60345552. Its totient is φ = 30172772.

The previous prime is 45259157. The next prime is 45259187. The reversal of 45259161 is 16195254.

45259161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45259161 - 2² = 45259157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45259141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7543191 + ... + 7543196.

It is an arithmetic number, because the mean of its divisors is an integer number (15086388).

Almost surely, 2^45259161 is an apocalyptic number.

It is an amenable number.

45259161 is a deficient number, since it is larger than the sum of its proper divisors (15086391).

45259161 is a wasteful number, since it uses less digits than its factorization.

45259161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15086390.

The product of its digits is 10800, while the sum is 33.

The square root of 45259161 is about 6727.4929208435. The cubic root of 45259161 is about 356.3708445681.

The spelling of 45259161 in words is "forty-five million, two hundred fifty-nine thousand, one hundred sixty-one".