144661677274 has 4 divisors (see below), whose sum is σ = 216992515914. Its totient is φ = 72330838636.

The previous prime is 144661677239. The next prime is 144661677319. The reversal of 144661677274 is 472776166441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 87020870049 + 57640807225 = 294993^2 + 240085^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36165419317 + ... + 36165419320.

Almost surely, 2^144661677274 is an apocalyptic number.

144661677274 is a deficient number, since it is larger than the sum of its proper divisors (72330838640).

144661677274 is an equidigital number, since it uses as much as digits as its factorization.

144661677274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72330838639.

The product of its digits is 9483264, while the sum is 55.

The spelling of 144661677274 in words is "one hundred forty-four billion, six hundred sixty-one million, six hundred seventy-seven thousand, two hundred seventy-four".