145722224560 has 80 divisors (see below), whose sum is σ = 371669783040. Its totient is φ = 52693809920.

The previous prime is 145722224513. The next prime is 145722224563. The reversal of 145722224560 is 65422227541.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (145722224563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305032 + ... + 620071.

It is an arithmetic number, because the mean of its divisors is an integer number (4645872288).

Almost surely, 2^145722224560 is an apocalyptic number.

145722224560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145722224560 is an abundant number, since it is smaller than the sum of its proper divisors (225947558480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145722224560 is a wasteful number, since it uses less digits than its factorization.

145722224560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925306 (or 925300 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 145722224560 in words is "one hundred forty-five billion, seven hundred twenty-two million, two hundred twenty-four thousand, five hundred sixty".