144273146 has 8 divisors (see below), whose sum is σ = 216567540. Its totient is φ = 72083968.

The previous prime is 144273133. The next prime is 144273161. The reversal of 144273146 is 641372441.

It can be written as a sum of positive squares in 2 ways, for example, as 144264121 + 9025 = 12011^2 + 95^2 .

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

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, 22781 + ... + 28416.

Almost surely, 2^144273146 is an apocalyptic number.

144273146 is a deficient number, since it is larger than the sum of its proper divisors (72294394).

144273146 is a wasteful number, since it uses less digits than its factorization.

144273146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52608.

The product of its digits is 16128, while the sum is 32.

The square root of 144273146 is about 12011.3756914019. The cubic root of 144273146 is about 524.4794792534.

The spelling of 144273146 in words is "one hundred forty-four million, two hundred seventy-three thousand, one hundred forty-six".