145131142340 has 48 divisors (see below), whose sum is σ = 326591419392. Its totient is φ = 53979311616.

The previous prime is 145131142327. The next prime is 145131142399. The reversal of 145131142340 is 43241131541.

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, 2543204 + ... + 2599643.

It is an arithmetic number, because the mean of its divisors is an integer number (6803987904).

Almost surely, 2^145131142340 is an apocalyptic number.

145131142340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145131142340 is an abundant number, since it is smaller than the sum of its proper divisors (181460277052).

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

145131142340 is a wasteful number, since it uses less digits than its factorization.

145131142340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5142956 (or 5142954 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 145131142340 its reverse (43241131541), we get a palindrome (188372273881).

The spelling of 145131142340 in words is "one hundred forty-five billion, one hundred thirty-one million, one hundred forty-two thousand, three hundred forty".