144342313402 has 24 divisors (see below), whose sum is σ = 251876115540. Its totient is φ = 61857673920.

The previous prime is 144342313399. The next prime is 144342313447. The reversal of 144342313402 is 204313243441.

It can be written as a sum of positive squares in 2 ways, for example, as 139658416681 + 4683896721 = 373709^2 + 68439^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2932152 + ... + 2980972.

Almost surely, 2^144342313402 is an apocalyptic number.

144342313402 is a deficient number, since it is larger than the sum of its proper divisors (107533802138).

144342313402 is a wasteful number, since it uses less digits than its factorization.

144342313402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79006 (or 78999 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 144342313402 its reverse (204313243441), we get a palindrome (348655556843).

The spelling of 144342313402 in words is "one hundred forty-four billion, three hundred forty-two million, three hundred thirteen thousand, four hundred two".