145868751824 has 40 divisors (see below), whose sum is σ = 284663982720. Its totient is φ = 72407664000.

The previous prime is 145868751781. The next prime is 145868751827. The reversal of 145868751824 is 428157868541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145868751827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4188917 + ... + 4223595.

It is an arithmetic number, because the mean of its divisors is an integer number (7116599568).

Almost surely, 2^145868751824 is an apocalyptic number.

It is an amenable number.

145868751824 is a deficient number, since it is larger than the sum of its proper divisors (138795230896).

145868751824 is a wasteful number, since it uses less digits than its factorization.

145868751824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36579 (or 36573 counting only the distinct ones).

The product of its digits is 17203200, while the sum is 59.

The spelling of 145868751824 in words is "one hundred forty-five billion, eight hundred sixty-eight million, seven hundred fifty-one thousand, eight hundred twenty-four".