144002042 has 4 divisors (see below), whose sum is σ = 216003066. Its totient is φ = 72001020.

The previous prime is 144002021. The next prime is 144002101. The reversal of 144002042 is 240200441.

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., 134073241 + 9928801 = 11579^2 + 3151^2 .

It is a super-3 number, since 3×144002042³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144002042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36000509 + ... + 36000512.

Almost surely, 2^144002042 is an apocalyptic number.

144002042 is a deficient number, since it is larger than the sum of its proper divisors (72001024).

144002042 is an equidigital number, since it uses as much as digits as its factorization.

144002042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72001023.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 144002042 is about 12000.0850830317. The cubic root of 144002042 is about 524.1507564013.

Adding to 144002042 its reverse (240200441), we get a palindrome (384202483).

The spelling of 144002042 in words is "one hundred forty-four million, two thousand, forty-two".