145431322532 has 12 divisors (see below), whose sum is σ = 254557529856. Its totient is φ = 72700599720.

The previous prime is 145431322523. The next prime is 145431322591. The reversal of 145431322532 is 235223134541.

It is a super-2 number, since 2×145431322532² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145431322492 and 145431322501.

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, 3743648 + ... + 3782295.

It is an arithmetic number, because the mean of its divisors is an integer number (21213127488).

Almost surely, 2^145431322532 is an apocalyptic number.

It is an amenable number.

145431322532 is a deficient number, since it is larger than the sum of its proper divisors (109126207324).

145431322532 is a wasteful number, since it uses less digits than its factorization.

145431322532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530778 (or 7530776 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The spelling of 145431322532 in words is "one hundred forty-five billion, four hundred thirty-one million, three hundred twenty-two thousand, five hundred thirty-two".