45212077 has 8 divisors (see below), whose sum is σ = 47880000. Its totient is φ = 42573024.

The previous prime is 45212059. The next prime is 45212093. The reversal of 45212077 is 77021254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45212077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45212177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3952 + ... + 10297.

It is an arithmetic number, because the mean of its divisors is an integer number (5985000).

Almost surely, 2^45212077 is an apocalyptic number.

It is an amenable number.

45212077 is a deficient number, since it is larger than the sum of its proper divisors (2667923).

45212077 is a wasteful number, since it uses less digits than its factorization.

45212077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14435.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 45212077 is about 6723.9926383065. The cubic root of 45212077 is about 356.2472218107.

The spelling of 45212077 in words is "forty-five million, two hundred twelve thousand, seventy-seven".