144342402 has 32 divisors (see below), whose sum is σ = 299588352. Its totient is φ = 46324224.

The previous prime is 144342383. The next prime is 144342403. The reversal of 144342402 is 204243441.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (144342403) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 18183 + ... + 24885.

It is an arithmetic number, because the mean of its divisors is an integer number (9362136).

Almost surely, 2^144342402 is an apocalyptic number.

144342402 is an abundant number, since it is smaller than the sum of its proper divisors (155245950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144342402 is a wasteful number, since it uses less digits than its factorization.

144342402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 144342402 is about 12014.2582792281. The cubic root of 144342402 is about 524.5633884705.

Adding to 144342402 its reverse (204243441), we get a palindrome (348585843).

It can be divided in two parts, 14434 and 2402, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 144342402 in words is "one hundred forty-four million, three hundred forty-two thousand, four hundred two".