145431948448 has 24 divisors (see below), whose sum is σ = 292977736128. Its totient is φ = 71024904384.

The previous prime is 145431948427. The next prime is 145431948547. The reversal of 145431948448 is 844849134541.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52844536 + ... + 52847287.

It is an arithmetic number, because the mean of its divisors is an integer number (12207405672).

Almost surely, 2^145431948448 is an apocalyptic number.

It is an amenable number.

145431948448 is an abundant number, since it is smaller than the sum of its proper divisors (147545787680).

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

145431948448 is a wasteful number, since it uses less digits than its factorization.

145431948448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105691876 (or 105691868 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 55.

The spelling of 145431948448 in words is "one hundred forty-five billion, four hundred thirty-one million, nine hundred forty-eight thousand, four hundred forty-eight".