45485661 has 16 divisors (see below), whose sum is σ = 65662016. Its totient is φ = 27841536.

The previous prime is 45485647. The next prime is 45485663. The reversal of 45485661 is 16658454.

It is a happy number.

It is not a de Polignac number, because 45485661 - 2⁶ = 45485597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45485663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4506 + ... + 10548.

It is an arithmetic number, because the mean of its divisors is an integer number (4103876).

Almost surely, 2^45485661 is an apocalyptic number.

It is an amenable number.

45485661 is a deficient number, since it is larger than the sum of its proper divisors (20176355).

45485661 is a wasteful number, since it uses less digits than its factorization.

45485661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6252.

The product of its digits is 115200, while the sum is 39.

The square root of 45485661 is about 6744.3058204681. The cubic root of 45485661 is about 356.9643429616.

The spelling of 45485661 in words is "forty-five million, four hundred eighty-five thousand, six hundred sixty-one".