45149671 has 16 divisors (see below), whose sum is σ = 56401920. Its totient is φ = 35245440.

The previous prime is 45149669. The next prime is 45149677. The reversal of 45149671 is 17694154.

It is a cyclic number.

It is not a de Polignac number, because 45149671 - 2¹ = 45149669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45149671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45149677) 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, 2431 + ... + 9808.

It is an arithmetic number, because the mean of its divisors is an integer number (3525120).

Almost surely, 2^45149671 is an apocalyptic number.

45149671 is a deficient number, since it is larger than the sum of its proper divisors (11252249).

45149671 is a wasteful number, since it uses less digits than its factorization.

45149671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12294.

The product of its digits is 30240, while the sum is 37.

The square root of 45149671 is about 6719.3504894446. The cubic root of 45149671 is about 356.0832375957.

The spelling of 45149671 in words is "forty-five million, one hundred forty-nine thousand, six hundred seventy-one".