145025644416 has 64 divisors (see below), whose sum is σ = 388257761280. Its totient is φ = 47961220608.

The previous prime is 145025644409. The next prime is 145025644493. The reversal of 145025644416 is 614446520541.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438126 + ... + 1535661.

It is an arithmetic number, because the mean of its divisors is an integer number (6066527520).

Almost surely, 2^145025644416 is an apocalyptic number.

145025644416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145025644416 is an abundant number, since it is smaller than the sum of its proper divisors (243232116864).

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

145025644416 is a wasteful number, since it uses less digits than its factorization.

145025644416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973931 (or 2973919 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 145025644416 in words is "one hundred forty-five billion, twenty-five million, six hundred forty-four thousand, four hundred sixteen".