45215563 has 8 divisors (see below), whose sum is σ = 47945520. Its totient is φ = 42493440.

The previous prime is 45215561. The next prime is 45215581. The reversal of 45215563 is 36551254.

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 45215563 - 2¹ = 45215561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45215561) 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, 13468 + ... + 16486.

It is an arithmetic number, because the mean of its divisors is an integer number (5993190).

Almost surely, 2^45215563 is an apocalyptic number.

45215563 is a deficient number, since it is larger than the sum of its proper divisors (2729957).

45215563 is a wasteful number, since it uses less digits than its factorization.

45215563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917.

The product of its digits is 18000, while the sum is 31.

The square root of 45215563 is about 6724.2518542958. The cubic root of 45215563 is about 356.2563775200.

The spelling of 45215563 in words is "forty-five million, two hundred fifteen thousand, five hundred sixty-three".