45077709 has 24 divisors (see below), whose sum is σ = 64190880. Its totient is φ = 28131552.

The previous prime is 45077707. The next prime is 45077741. The reversal of 45077709 is 90777054.

It is not a de Polignac number, because 45077709 - 2¹ = 45077707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45077701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115687 + ... + 116075.

It is an arithmetic number, because the mean of its divisors is an integer number (2674620).

Almost surely, 2^45077709 is an apocalyptic number.

It is an amenable number.

45077709 is a deficient number, since it is larger than the sum of its proper divisors (19113171).

45077709 is a wasteful number, since it uses less digits than its factorization.

45077709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 45077709 is about 6713.9935209978. The cubic root of 45077709 is about 355.8939553903.

The spelling of 45077709 in words is "forty-five million, seventy-seven thousand, seven hundred nine".