144016274 has 4 divisors (see below), whose sum is σ = 216024414. Its totient is φ = 72008136.

The previous prime is 144016267. The next prime is 144016283. The reversal of 144016274 is 472610441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 472610441 = 15551 ⋅30391.

It can be written as a sum of positive squares in only one way, i.e., 121992025 + 22024249 = 11045^2 + 4693^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36004067 + ... + 36004070.

Almost surely, 2^144016274 is an apocalyptic number.

144016274 is a deficient number, since it is larger than the sum of its proper divisors (72008140).

144016274 is an equidigital number, since it uses as much as digits as its factorization.

144016274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72008139.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 144016274 is about 12000.6780641762. The cubic root of 144016274 is about 524.1680234431.

The spelling of 144016274 in words is "one hundred forty-four million, sixteen thousand, two hundred seventy-four".