145691073008 has 80 divisors (see below), whose sum is σ = 310849687680. Its totient is φ = 65728309248.

The previous prime is 145691073007. The next prime is 145691073029. The reversal of 145691073008 is 800370196541.

It is a self number, because there is not a number n which added to its sum of digits gives 145691073008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145691073007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8095316 + ... + 8113292.

It is an arithmetic number, because the mean of its divisors is an integer number (3885621096).

Almost surely, 2^145691073008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145691073008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155424843840).

145691073008 is an abundant number, since it is smaller than the sum of its proper divisors (165158614672).

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

145691073008 is a wasteful number, since it uses less digits than its factorization.

145691073008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18874 (or 18868 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 145691073008 in words is "one hundred forty-five billion, six hundred ninety-one million, seventy-three thousand, eight".