144689074 has 8 divisors (see below), whose sum is σ = 229800348. Its totient is φ = 68088960.

The previous prime is 144688987. The next prime is 144689087. The reversal of 144689074 is 470986441.

It can be written as a sum of positive squares in 2 ways, for example, as 140588449 + 4100625 = 11857^2 + 2025^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 144689074.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127747 + ... + 2127814.

Almost surely, 2^144689074 is an apocalyptic number.

144689074 is a deficient number, since it is larger than the sum of its proper divisors (85111274).

144689074 is a wasteful number, since it uses less digits than its factorization.

144689074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255580.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 144689074 is about 12028.6771508757. The cubic root of 144689074 is about 524.9830065550.

The spelling of 144689074 in words is "one hundred forty-four million, six hundred eighty-nine thousand, seventy-four".