45165061 has 4 divisors (see below), whose sum is σ = 45186624. Its totient is φ = 45143500.

The previous prime is 45165053. The next prime is 45165091. The reversal of 45165061 is 16056154.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16056154 = 2 ⋅8028077.

It is a cyclic number.

It is not a de Polignac number, because 45165061 - 2³ = 45165053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45165041) 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, 7255 + ... + 11956.

It is an arithmetic number, because the mean of its divisors is an integer number (11296656).

Almost surely, 2^45165061 is an apocalyptic number.

It is an amenable number.

45165061 is a deficient number, since it is larger than the sum of its proper divisors (21563).

45165061 is a wasteful number, since it uses less digits than its factorization.

45165061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21562.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 45165061 is about 6720.4955918444. The cubic root of 45165061 is about 356.1236919214.

The spelling of 45165061 in words is "forty-five million, one hundred sixty-five thousand, sixty-one".