144233201402 has 4 divisors (see below), whose sum is σ = 216349802106. Its totient is φ = 72116600700.

The previous prime is 144233201363. The next prime is 144233201417. The reversal of 144233201402 is 204102332441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204102332441 = 7 ⋅29157476063.

It can be written as a sum of positive squares in only one way, i.e., 79879151641 + 64354049761 = 282629^2 + 253681^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36058300349 + ... + 36058300352.

Almost surely, 2^144233201402 is an apocalyptic number.

144233201402 is a deficient number, since it is larger than the sum of its proper divisors (72116600704).

144233201402 is an equidigital number, since it uses as much as digits as its factorization.

144233201402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72116600703.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 144233201402 its reverse (204102332441), we get a palindrome (348335533843).

The spelling of 144233201402 in words is "one hundred forty-four billion, two hundred thirty-three million, two hundred one thousand, four hundred two".