144002402 has 8 divisors (see below), whose sum is σ = 225395136. Its totient is φ = 68870692.

The previous prime is 144002389. The next prime is 144002423. The reversal of 144002402 is 204200441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565198 + ... + 1565289.

It is an arithmetic number, because the mean of its divisors is an integer number (28174392).

Almost surely, 2^144002402 is an apocalyptic number.

144002402 is a deficient number, since it is larger than the sum of its proper divisors (81392734).

144002402 is a wasteful number, since it uses less digits than its factorization.

144002402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130512.

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

The square root of 144002402 is about 12000.1000829160. The cubic root of 144002402 is about 524.1511931871.

Adding to 144002402 its reverse (204200441), we get a palindrome (348202843).

The spelling of 144002402 in words is "one hundred forty-four million, two thousand, four hundred two".