144774145136 has 10 divisors (see below), whose sum is σ = 280499906232. Its totient is φ = 72387072560.

The previous prime is 144774145063. The next prime is 144774145199. The reversal of 144774145136 is 631541477441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4524192020 + ... + 4524192051.

Almost surely, 2^144774145136 is an apocalyptic number.

144774145136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144774145136 is a deficient number, since it is larger than the sum of its proper divisors (135725761096).

144774145136 is an equidigital number, since it uses as much as digits as its factorization.

144774145136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9048384079 (or 9048384073 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The spelling of 144774145136 in words is "one hundred forty-four billion, seven hundred seventy-four million, one hundred forty-five thousand, one hundred thirty-six".