144212402 has 16 divisors (see below), whose sum is σ = 220540320. Its totient is φ = 70705248.

The previous prime is 144212401. The next prime is 144212407. The reversal of 144212402 is 204212441.

It is not an unprimeable number, because it can be changed into a prime (144212401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53798 + ... + 56414.

It is an arithmetic number, because the mean of its divisors is an integer number (13783770).

Almost surely, 2^144212402 is an apocalyptic number.

144212402 is a deficient number, since it is larger than the sum of its proper divisors (76327918).

144212402 is a wasteful number, since it uses less digits than its factorization.

144212402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 144212402 is about 12008.8468222390. The cubic root of 144212402 is about 524.4058609013.

Adding to 144212402 its reverse (204212441), we get a palindrome (348424843).

The spelling of 144212402 in words is "one hundred forty-four million, two hundred twelve thousand, four hundred two".