45215755 has 8 divisors (see below), whose sum is σ = 58432752. Its totient is φ = 33390048.

The previous prime is 45215741. The next prime is 45215761. The reversal of 45215755 is 55751254.

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

It is a cyclic number.

It is not a de Polignac number, because 45215755 - 2¹³ = 45207563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45215755.

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, 347749 + ... + 347878.

It is an arithmetic number, because the mean of its divisors is an integer number (7304094).

Almost surely, 2^45215755 is an apocalyptic number.

45215755 is a deficient number, since it is larger than the sum of its proper divisors (13216997).

45215755 is a wasteful number, since it uses less digits than its factorization.

45215755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695645.

The product of its digits is 35000, while the sum is 34.

The square root of 45215755 is about 6724.2661309618. The cubic root of 45215755 is about 356.2568817794.

The spelling of 45215755 in words is "forty-five million, two hundred fifteen thousand, seven hundred fifty-five".