145164265140 has 48 divisors (see below), whose sum is σ = 430369353792. Its totient is φ = 36433383936.

The previous prime is 145164265117. The next prime is 145164265171. The reversal of 145164265140 is 41562461541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71157934 + ... + 71159973.

It is an arithmetic number, because the mean of its divisors is an integer number (8966028204).

Almost surely, 2^145164265140 is an apocalyptic number.

145164265140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145164265140 is an abundant number, since it is smaller than the sum of its proper divisors (285205088652).

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

145164265140 is a wasteful number, since it uses less digits than its factorization.

145164265140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142317936 (or 142317934 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 145164265140 in words is "one hundred forty-five billion, one hundred sixty-four million, two hundred sixty-five thousand, one hundred forty".