145043438072 has 64 divisors (see below), whose sum is σ = 297128277600. Its totient is φ = 65976975360.

The previous prime is 145043438069. The next prime is 145043438083. The reversal of 145043438072 is 270834340541.

It is a congruent 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, 2401379 + ... + 2461037.

Almost surely, 2^145043438072 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 145043438072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148564138800).

145043438072 is an abundant number, since it is smaller than the sum of its proper divisors (152084839528).

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

145043438072 is a wasteful number, since it uses less digits than its factorization.

145043438072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60016 (or 60012 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 145043438072 in words is "one hundred forty-five billion, forty-three million, four hundred thirty-eight thousand, seventy-two".