144912002 has 4 divisors (see below), whose sum is σ = 217368006. Its totient is φ = 72456000.

The previous prime is 144911969. The next prime is 144912013. The reversal of 144912002 is 200219441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200219441 = 41 ⋅4883401.

It can be written as a sum of positive squares in only one way, i.e., 107101801 + 37810201 = 10349^2 + 6149^2 .

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, 36227999 + ... + 36228002.

Almost surely, 2^144912002 is an apocalyptic number.

144912002 is a deficient number, since it is larger than the sum of its proper divisors (72456004).

144912002 is an equidigital number, since it uses as much as digits as its factorization.

144912002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72456003.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 144912002 is about 12037.9401061810. The cubic root of 144912002 is about 525.2524886794.

The spelling of 144912002 in words is "one hundred forty-four million, nine hundred twelve thousand, two".