45740161 has 4 divisors (see below), whose sum is σ = 45762372. Its totient is φ = 45717952.

The previous prime is 45740147. The next prime is 45740197. The reversal of 45740161 is 16104754.

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 8761600 + 36978561 = 2960^2 + 6081^2 .

It is a cyclic number.

It is not a de Polignac number, because 45740161 - 2⁵ = 45740129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45740141) 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, 7660 + ... + 12253.

It is an arithmetic number, because the mean of its divisors is an integer number (11440593).

Almost surely, 2^45740161 is an apocalyptic number.

It is an amenable number.

45740161 is a deficient number, since it is larger than the sum of its proper divisors (22211).

45740161 is a wasteful number, since it uses less digits than its factorization.

45740161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22210.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 45740161 is about 6763.1472703173. The cubic root of 45740161 is about 357.6288638415.

The spelling of 45740161 in words is "forty-five million, seven hundred forty thousand, one hundred sixty-one".