145031113500 has 384 divisors, whose sum is σ = 547158743040. Its totient is φ = 28988928000.

The previous prime is 145031113477. The next prime is 145031113561. The reversal of 145031113500 is 5311130541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2565540 + ... + 2621460.

It is an arithmetic number, because the mean of its divisors is an integer number (1424892560).

Almost surely, 2^145031113500 is an apocalyptic number.

145031113500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145031113500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273579371520).

145031113500 is an abundant number, since it is smaller than the sum of its proper divisors (402127629540).

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

145031113500 is a wasteful number, since it uses less digits than its factorization.

145031113500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55982 (or 55970 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 145031113500 in words is "one hundred forty-five billion, thirty-one million, one hundred thirteen thousand, five hundred".