144613237378 has 4 divisors (see below), whose sum is σ = 216919856070. Its totient is φ = 72306618688.

The previous prime is 144613237369. The next prime is 144613237387. The reversal of 144613237378 is 873732316441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (144613237369) and next prime (144613237387).

It can be written as a sum of positive squares in only one way, i.e., 116351256609 + 28261980769 = 341103^2 + 168113^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36153309343 + ... + 36153309346.

Almost surely, 2^144613237378 is an apocalyptic number.

144613237378 is a deficient number, since it is larger than the sum of its proper divisors (72306618692).

144613237378 is an equidigital number, since it uses as much as digits as its factorization.

144613237378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72306618691.

The product of its digits is 2032128, while the sum is 49.

The spelling of 144613237378 in words is "one hundred forty-four billion, six hundred thirteen million, two hundred thirty-seven thousand, three hundred seventy-eight".