145445302623500 has 96 divisors (see below), whose sum is σ = 346866168789504. Its totient is φ = 52837899960000.

The previous prime is 145445302623451. The next prime is 145445302623521. The reversal of 145445302623500 is 5326203544541.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7154234 + ... + 18495233.

It is an arithmetic number, because the mean of its divisors is an integer number (3613189258224).

Almost surely, 2^{145445302623500} is an apocalyptic number.

145445302623500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145445302623500 is an abundant number, since it is smaller than the sum of its proper divisors (201420866166004).

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

145445302623500 is a wasteful number, since it uses less digits than its factorization.

145445302623500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25650528 (or 25650516 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 145445302623500 in words is "one hundred forty-five trillion, four hundred forty-five billion, three hundred two million, six hundred twenty-three thousand, five hundred".