45662749 has 4 divisors (see below), whose sum is σ = 49813920. Its totient is φ = 41511580.

The previous prime is 45662737. The next prime is 45662753. The reversal of 45662749 is 94726654.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45662749 - 2⁵ = 45662717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45662549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2075569 + ... + 2075590.

It is an arithmetic number, because the mean of its divisors is an integer number (12453480).

Almost surely, 2^45662749 is an apocalyptic number.

It is an amenable number.

45662749 is a deficient number, since it is larger than the sum of its proper divisors (4151171).

45662749 is a wasteful number, since it uses less digits than its factorization.

45662749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151170.

The product of its digits is 362880, while the sum is 43.

The square root of 45662749 is about 6757.4217716523. The cubic root of 45662749 is about 357.4269960309.

The spelling of 45662749 in words is "forty-five million, six hundred sixty-two thousand, seven hundred forty-nine".