45140997 has 16 divisors (see below), whose sum is σ = 66101760. Its totient is φ = 27174000.

The previous prime is 45140983. The next prime is 45141029. The reversal of 45140997 is 79904154.

It is not a de Polignac number, because 45140997 - 2⁴ = 45140981 is a prime.

It is a super-2 number, since 2×45140997² = 4075419220308018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45141997) 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, 454 + ... + 9512.

It is an arithmetic number, because the mean of its divisors is an integer number (4131360).

Almost surely, 2^45140997 is an apocalyptic number.

It is an amenable number.

45140997 is a deficient number, since it is larger than the sum of its proper divisors (20960763).

45140997 is a wasteful number, since it uses less digits than its factorization.

45140997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 45140997 is about 6718.7050091517. The cubic root of 45140997 is about 356.0604329717.

The spelling of 45140997 in words is "forty-five million, one hundred forty thousand, nine hundred ninety-seven".