145331442516 has 72 divisors (see below), whose sum is σ = 367291066464. Its totient is φ = 44706080640.

The previous prime is 145331442467. The next prime is 145331442523. The reversal of 145331442516 is 615244133541.

145331442516 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145331442516² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11879995 + ... + 11892221.

It is an arithmetic number, because the mean of its divisors is an integer number (5101264812).

Almost surely, 2^145331442516 is an apocalyptic number.

It is an amenable number.

145331442516 is an abundant number, since it is smaller than the sum of its proper divisors (221959623948).

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

145331442516 is a wasteful number, since it uses less digits than its factorization.

145331442516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18121 (or 18106 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The spelling of 145331442516 in words is "one hundred forty-five billion, three hundred thirty-one million, four hundred forty-two thousand, five hundred sixteen".