145002344520 has 64 divisors (see below), whose sum is σ = 474553131840. Its totient is φ = 35152083200.

The previous prime is 145002344489. The next prime is 145002344573. The reversal of 145002344520 is 25443200541.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 54923811 + ... + 54926450.

It is an arithmetic number, because the mean of its divisors is an integer number (7414892685).

Almost surely, 2^145002344520 is an apocalyptic number.

145002344520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145002344520 is an abundant number, since it is smaller than the sum of its proper divisors (329550787320).

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

145002344520 is a wasteful number, since it uses less digits than its factorization.

145002344520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109850286 (or 109850282 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 145002344520 in words is "one hundred forty-five billion, two million, three hundred forty-four thousand, five hundred twenty".