145706997832 has 64 divisors (see below), whose sum is σ = 302024131200. Its totient is φ = 65349504000.

The previous prime is 145706997823. The next prime is 145706997851. The reversal of 145706997832 is 238799607541.

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, 2280157 + ... + 2343187.

It is an arithmetic number, because the mean of its divisors is an integer number (4719127050).

It is a 1-persistent number, because it is pandigital, but 2⋅145706997832 = 291413995664 is not.

Almost surely, 2^145706997832 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 145706997832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151012065600).

145706997832 is an abundant number, since it is smaller than the sum of its proper divisors (156317133368).

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

145706997832 is a wasteful number, since it uses less digits than its factorization.

145706997832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63398 (or 63394 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 61.

The spelling of 145706997832 in words is "one hundred forty-five billion, seven hundred six million, nine hundred ninety-seven thousand, eight hundred thirty-two".