145722514812 has 96 divisors (see below), whose sum is σ = 411537047040. Its totient is φ = 39177768960.

The previous prime is 145722514811. The next prime is 145722514837. The reversal of 145722514812 is 218415227541.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145722514811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10644612 + ... + 10658292.

It is an arithmetic number, because the mean of its divisors is an integer number (4286844240).

Almost surely, 2^145722514812 is an apocalyptic number.

145722514812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145722514812 is an abundant number, since it is smaller than the sum of its proper divisors (265814532228).

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

145722514812 is a wasteful number, since it uses less digits than its factorization.

145722514812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21171 (or 21169 counting only the distinct ones).

The product of its digits is 179200, while the sum is 42.

The spelling of 145722514812 in words is "one hundred forty-five billion, seven hundred twenty-two million, five hundred fourteen thousand, eight hundred twelve".