223150991445 has 128 divisors (see below), whose sum is σ = 417114593280. Its totient is φ = 113089167360.

The previous prime is 223150991443. The next prime is 223150991477. The reversal of 223150991445 is 544199051322.

It is a happy number.

223150991445 is a `hidden beast` number, since 22 + 31 + 509 + 91 + 4 + 4 + 5 = 666.

It is not a de Polignac number, because 223150991445 - 2¹ = 223150991443 is a prime.

It is a super-3 number, since 3×223150991445³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 223150991445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223150991443) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32616225 + ... + 32623065.

It is an arithmetic number, because the mean of its divisors is an integer number (3258707760).

Almost surely, 2^223150991445 is an apocalyptic number.

It is an amenable number.

223150991445 is a deficient number, since it is larger than the sum of its proper divisors (193963601835).

223150991445 is a wasteful number, since it uses less digits than its factorization.

223150991445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052 (or 7046 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 223150991445 in words is "two hundred twenty-three billion, one hundred fifty million, nine hundred ninety-one thousand, four hundred forty-five".