45980649 has 32 divisors (see below), whose sum is σ = 80035200. Its totient is φ = 25721280.

The previous prime is 45980629. The next prime is 45980651. The reversal of 45980649 is 94608954.

It is a happy number.

It is not a de Polignac number, because 45980649 - 2²⁰ = 44932073 is a prime.

It is a super-2 number, since 2×45980649² = 4228440164922402, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45980609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2094 + ... + 9815.

It is an arithmetic number, because the mean of its divisors is an integer number (2501100).

Almost surely, 2^45980649 is an apocalyptic number.

It is an amenable number.

45980649 is a deficient number, since it is larger than the sum of its proper divisors (34054551).

45980649 is a wasteful number, since it uses less digits than its factorization.

45980649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11942 (or 11936 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 45980649 is about 6780.9032584162. The cubic root of 45980649 is about 358.2545368957.

The spelling of 45980649 in words is "forty-five million, nine hundred eighty thousand, six hundred forty-nine".