145824331790 has 64 divisors (see below), whose sum is σ = 284668655040. Its totient is φ = 53568829440.

The previous prime is 145824331781. The next prime is 145824331801. The reversal of 145824331790 is 97133428541.

It is a congruent number.

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, 7805060 + ... + 7823720.

It is an arithmetic number, because the mean of its divisors is an integer number (4447947735).

Almost surely, 2^145824331790 is an apocalyptic number.

145824331790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145824331790 is a deficient number, since it is larger than the sum of its proper divisors (138844323250).

145824331790 is a wasteful number, since it uses less digits than its factorization.

145824331790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19797.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 145824331790 in words is "one hundred forty-five billion, eight hundred twenty-four million, three hundred thirty-one thousand, seven hundred ninety".