45146997 has 32 divisors (see below), whose sum is σ = 79084800. Its totient is φ = 24905664.

The previous prime is 45146971. The next prime is 45147007. The reversal of 45146997 is 79964154.

It is not a de Polignac number, because 45146997 - 2¹² = 45142901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45146957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1363 + ... + 9599.

It is an arithmetic number, because the mean of its divisors is an integer number (2471400).

Almost surely, 2^45146997 is an apocalyptic number.

It is an amenable number.

45146997 is a deficient number, since it is larger than the sum of its proper divisors (33937803).

45146997 is a wasteful number, since it uses less digits than its factorization.

45146997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8282 (or 8276 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 45146997 is about 6719.1515089333. The cubic root of 45146997 is about 356.0762077521.

It can be divided in two parts, 4514 and 6997, that added together give a palindrome (11511).

The spelling of 45146997 in words is "forty-five million, one hundred forty-six thousand, nine hundred ninety-seven".