144635244431 has 4 divisors (see below), whose sum is σ = 144947632032. Its totient is φ = 144322856832.

The previous prime is 144635244427. The next prime is 144635244461. The reversal of 144635244431 is 134442536441.

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

It is a cyclic number.

It is not a de Polignac number, because 144635244431 - 2² = 144635244427 is a prime.

It is a super-2 number, since 2×144635244431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144635244461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156193106 + ... + 156194031.

It is an arithmetic number, because the mean of its divisors is an integer number (36236908008).

Almost surely, 2^144635244431 is an apocalyptic number.

144635244431 is a deficient number, since it is larger than the sum of its proper divisors (312387601).

144635244431 is an equidigital number, since it uses as much as digits as its factorization.

144635244431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312387600.

The product of its digits is 552960, while the sum is 41.

The spelling of 144635244431 in words is "one hundred forty-four billion, six hundred thirty-five million, two hundred forty-four thousand, four hundred thirty-one".