144745332392 has 8 divisors (see below), whose sum is σ = 271397498250. Its totient is φ = 72372666192.

The previous prime is 144745332373. The next prime is 144745332409. The reversal of 144745332392 is 293233547441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 106585272676 + 38160059716 = 326474^2 + 195346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×144745332392² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9046583267 + ... + 9046583282.

Almost surely, 2^144745332392 is an apocalyptic number.

It is an amenable number.

144745332392 is a deficient number, since it is larger than the sum of its proper divisors (126652165858).

144745332392 is a wasteful number, since it uses less digits than its factorization.

144745332392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18093166555 (or 18093166551 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 47.

The spelling of 144745332392 in words is "one hundred forty-four billion, seven hundred forty-five million, three hundred thirty-two thousand, three hundred ninety-two".