145231896264 has 64 divisors (see below), whose sum is σ = 446867379840. Its totient is φ = 38302917120.

The previous prime is 145231896239. The next prime is 145231896287. The reversal of 145231896264 is 462698132541.

It is a happy number.

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, 33246877 + ... + 33251244.

It is an arithmetic number, because the mean of its divisors is an integer number (6982302810).

Almost surely, 2^145231896264 is an apocalyptic number.

145231896264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145231896264 is an abundant number, since it is smaller than the sum of its proper divisors (301635483576).

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

145231896264 is a wasteful number, since it uses less digits than its factorization.

145231896264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66498150 (or 66498146 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The spelling of 145231896264 in words is "one hundred forty-five billion, two hundred thirty-one million, eight hundred ninety-six thousand, two hundred sixty-four".