45146691 has 6 divisors (see below), whose sum is σ = 65211900. Its totient is φ = 30097788.

The previous prime is 45146681. The next prime is 45146693. The reversal of 45146691 is 19664154.

It is not a de Polignac number, because 45146691 - 2⁵ = 45146659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45146693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2508141 + ... + 2508158.

It is an arithmetic number, because the mean of its divisors is an integer number (10868650).

Almost surely, 2^45146691 is an apocalyptic number.

45146691 is a deficient number, since it is larger than the sum of its proper divisors (20065209).

45146691 is a wasteful number, since it uses less digits than its factorization.

45146691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5016305 (or 5016302 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 45146691 is about 6719.1287381624. The cubic root of 45146691 is about 356.0754032721.

The spelling of 45146691 in words is "forty-five million, one hundred forty-six thousand, six hundred ninety-one".