145507330420 has 48 divisors (see below), whose sum is σ = 310056864768. Its totient is φ = 57348408320.

The previous prime is 145507330417. The next prime is 145507330421. The reversal of 145507330420 is 24033705541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145507330421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2379549 + ... + 2439931.

It is an arithmetic number, because the mean of its divisors is an integer number (6459518016).

Almost surely, 2^145507330420 is an apocalyptic number.

145507330420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145507330420 is an abundant number, since it is smaller than the sum of its proper divisors (164549534348).

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

145507330420 is a wasteful number, since it uses less digits than its factorization.

145507330420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62160 (or 62158 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 145507330420 in words is "one hundred forty-five billion, five hundred seven million, three hundred thirty thousand, four hundred twenty".