45145416 has 32 divisors (see below), whose sum is σ = 113040000. Its totient is φ = 15024960.

The previous prime is 45145409. The next prime is 45145417. The reversal of 45145416 is 61454154.

It is not an unprimeable number, because it can be changed into a prime (45145417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21585 + ... + 23583.

It is an arithmetic number, because the mean of its divisors is an integer number (3532500).

Almost surely, 2^45145416 is an apocalyptic number.

It is an amenable number.

45145416 is an abundant number, since it is smaller than the sum of its proper divisors (67894584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45145416 is a wasteful number, since it uses less digits than its factorization.

45145416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949 (or 2945 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 45145416 is about 6719.0338591199. The cubic root of 45145416 is about 356.0720512331.

The spelling of 45145416 in words is "forty-five million, one hundred forty-five thousand, four hundred sixteen".