45212765 has 8 divisors (see below), whose sum is σ = 58428888. Its totient is φ = 33387840.

The previous prime is 45212747. The next prime is 45212789. The reversal of 45212765 is 56721254.

It can be written as a sum of positive squares in 4 ways, for example, as 10896601 + 34316164 = 3301^2 + 5858^2 .

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

It is not a de Polignac number, because 45212765 - 2⁶ = 45212701 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347726 + ... + 347855.

It is an arithmetic number, because the mean of its divisors is an integer number (7303611).

Almost surely, 2^45212765 is an apocalyptic number.

It is an amenable number.

45212765 is a deficient number, since it is larger than the sum of its proper divisors (13216123).

45212765 is a wasteful number, since it uses less digits than its factorization.

45212765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695599.

The product of its digits is 16800, while the sum is 32.

The square root of 45212765 is about 6724.0437981917. The cubic root of 45212765 is about 356.2490288267.

The spelling of 45212765 in words is "forty-five million, two hundred twelve thousand, seven hundred sixty-five".