22872563145 has 12 divisors (see below), whose sum is σ = 39645776196. Its totient is φ = 12198700320.

The previous prime is 22872563101. The next prime is 22872563149. The reversal of 22872563145 is 54136527822.

22872563145 is a `hidden beast` number, since 2 + 2 + 8 + 7 + 2 + 5 + 631 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7336436409 + 15536126736 = 85653^2 + 124644^2 .

It is not a de Polignac number, because 22872563145 - 2⁶ = 22872563081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 508279181 = 22872563145 / (2 + 2 + 8 + 7 + 2 + 5 + 6 + 3 + 1 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 22872563145.

It is not an unprimeable number, because it can be changed into a prime (22872563149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254139546 + ... + 254139635.

It is an arithmetic number, because the mean of its divisors is an integer number (3303814683).

Almost surely, 2^22872563145 is an apocalyptic number.

It is an amenable number.

22872563145 is a deficient number, since it is larger than the sum of its proper divisors (16773213051).

22872563145 is a wasteful number, since it uses less digits than its factorization.

22872563145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508279192 (or 508279189 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 22872563145 in words is "twenty-two billion, eight hundred seventy-two million, five hundred sixty-three thousand, one hundred forty-five".