144938674 has 4 divisors (see below), whose sum is σ = 217408014. Its totient is φ = 72469336.

The previous prime is 144938639. The next prime is 144938683. The reversal of 144938674 is 476839441.

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., 79085449 + 65853225 = 8893^2 + 8115^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36234667 + ... + 36234670.

Almost surely, 2^144938674 is an apocalyptic number.

144938674 is a deficient number, since it is larger than the sum of its proper divisors (72469340).

144938674 is an equidigital number, since it uses as much as digits as its factorization.

144938674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72469339.

The product of its digits is 580608, while the sum is 46.

The square root of 144938674 is about 12039.0478859418. The cubic root of 144938674 is about 525.2847120857.

The spelling of 144938674 in words is "one hundred forty-four million, nine hundred thirty-eight thousand, six hundred seventy-four".