145634432464 has 20 divisors (see below), whose sum is σ = 282509589856. Its totient is φ = 72728731872.

The previous prime is 145634432429. The next prime is 145634432467. The reversal of 145634432464 is 464234436541.

It is a super-2 number, since 2×145634432464² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145634432467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5516694 + ... + 5543029.

Almost surely, 2^145634432464 is an apocalyptic number.

It is an amenable number.

145634432464 is a deficient number, since it is larger than the sum of its proper divisors (136875157392).

145634432464 is a wasteful number, since it uses less digits than its factorization.

145634432464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11060554 (or 11060548 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 46.

The spelling of 145634432464 in words is "one hundred forty-five billion, six hundred thirty-four million, four hundred thirty-two thousand, four hundred sixty-four".