145903667800 has 48 divisors (see below), whose sum is σ = 370064763000. Its totient is φ = 53055878400.

The previous prime is 145903667783. The next prime is 145903667837. The reversal of 145903667800 is 8766309541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33157725 + ... + 33162124.

Almost surely, 2^145903667800 is an apocalyptic number.

145903667800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145903667800 is an abundant number, since it is smaller than the sum of its proper divisors (224161095200).

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

145903667800 is a wasteful number, since it uses less digits than its factorization.

145903667800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66319876 (or 66319867 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 145903667800 in words is "one hundred forty-five billion, nine hundred three million, six hundred sixty-seven thousand, eight hundred".