145002102520 has 64 divisors (see below), whose sum is σ = 371388810240. Its totient is φ = 50435510400.

The previous prime is 145002102473. The next prime is 145002102577. The reversal of 145002102520 is 25201200541.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 145002102491 and 145002102500.

It is a congruent number.

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, 7154016 + ... + 7174255.

It is an arithmetic number, because the mean of its divisors is an integer number (5802950160).

Almost surely, 2^145002102520 is an apocalyptic number.

145002102520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145002102520 is an abundant number, since it is smaller than the sum of its proper divisors (226386707720).

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

145002102520 is a wasteful number, since it uses less digits than its factorization.

145002102520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14328316 (or 14328312 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The spelling of 145002102520 in words is "one hundred forty-five billion, two million, one hundred two thousand, five hundred twenty".