144454474 has 8 divisors (see below), whose sum is σ = 229427748. Its totient is φ = 67978560.

The previous prime is 144454469. The next prime is 144454477. The reversal of 144454474 is 474454441.

It can be written as a sum of positive squares in 2 ways, for example, as 144360225 + 94249 = 12015^2 + 307^2 .

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

It is not an unprimeable number, because it can be changed into a prime (144454477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2124297 + ... + 2124364.

Almost surely, 2^144454474 is an apocalyptic number.

144454474 is a deficient number, since it is larger than the sum of its proper divisors (84973274).

144454474 is a wasteful number, since it uses less digits than its factorization.

144454474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248680.

The product of its digits is 143360, while the sum is 37.

The square root of 144454474 is about 12018.9214990364. The cubic root of 144454474 is about 524.6991158767.

The spelling of 144454474 in words is "one hundred forty-four million, four hundred fifty-four thousand, four hundred seventy-four".