45743649 has 16 divisors (see below), whose sum is σ = 70210560. Its totient is φ = 25949520.

The previous prime is 45743641. The next prime is 45743653. The reversal of 45743649 is 94634754.

It is not a de Polignac number, because 45743649 - 2³ = 45743641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45743649.

It is not an unprimeable number, because it can be changed into a prime (45743641) 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, 4917 + ... + 10754.

It is an arithmetic number, because the mean of its divisors is an integer number (4388160).

Almost surely, 2^45743649 is an apocalyptic number.

It is an amenable number.

45743649 is a deficient number, since it is larger than the sum of its proper divisors (24466911).

45743649 is a wasteful number, since it uses less digits than its factorization.

45743649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15820.

The product of its digits is 362880, while the sum is 42.

The square root of 45743649 is about 6763.4051335108. The cubic root of 45743649 is about 357.6379541591.

The spelling of 45743649 in words is "forty-five million, seven hundred forty-three thousand, six hundred forty-nine".