144581087964 has 24 divisors (see below), whose sum is σ = 346473599248. Its totient is φ = 46891163520.

The previous prime is 144581087933. The next prime is 144581087971. The reversal of 144581087964 is 469780185441.

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, 162816097 + ... + 162816984.

Almost surely, 2^144581087964 is an apocalyptic number.

It is an amenable number.

144581087964 is an abundant number, since it is smaller than the sum of its proper divisors (201892511284).

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

144581087964 is a wasteful number, since it uses less digits than its factorization.

144581087964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325633125 (or 325633123 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 144581087964 in words is "one hundred forty-four billion, five hundred eighty-one million, eighty-seven thousand, nine hundred sixty-four".