144053642 has 4 divisors (see below), whose sum is σ = 216080466. Its totient is φ = 72026820.

The previous prime is 144053639. The next prime is 144053677. The reversal of 144053642 is 246350441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246350441 = 241 ⋅1022201.

It can be written as a sum of positive squares in only one way, i.e., 135047641 + 9006001 = 11621^2 + 3001^2 .

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, 36013409 + ... + 36013412.

Almost surely, 2^144053642 is an apocalyptic number.

144053642 is a deficient number, since it is larger than the sum of its proper divisors (72026824).

144053642 is an equidigital number, since it uses as much as digits as its factorization.

144053642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72026823.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 144053642 is about 12002.2348752222. The cubic root of 144053642 is about 524.2133549331.

The spelling of 144053642 in words is "one hundred forty-four million, fifty-three thousand, six hundred forty-two".