45770639 has 4 divisors (see below), whose sum is σ = 48179640. Its totient is φ = 43361640.

The previous prime is 45770633. The next prime is 45770657. The reversal of 45770639 is 93607754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45770639 - 2⁴ = 45770623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45770596 and 45770605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45770633) 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, 1204472 + ... + 1204509.

It is an arithmetic number, because the mean of its divisors is an integer number (12044910).

Almost surely, 2^45770639 is an apocalyptic number.

45770639 is a deficient number, since it is larger than the sum of its proper divisors (2409001).

45770639 is a wasteful number, since it uses less digits than its factorization.

45770639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409000.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 45770639 is about 6765.4001359860. The cubic root of 45770639 is about 357.7082790441.

The spelling of 45770639 in words is "forty-five million, seven hundred seventy thousand, six hundred thirty-nine".