144103431 has 4 divisors (see below), whose sum is σ = 192137912. Its totient is φ = 96068952.

The previous prime is 144103423. The next prime is 144103483. The reversal of 144103431 is 134301441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134301441 = 3 ⋅44767147.

It is not a de Polignac number, because 144103431 - 2³ = 144103423 is a prime.

It is a super-2 number, since 2×144103431² = 41531597651943522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144103398 and 144103407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144103231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24017236 + ... + 24017241.

It is an arithmetic number, because the mean of its divisors is an integer number (48034478).

Almost surely, 2^144103431 is an apocalyptic number.

144103431 is a deficient number, since it is larger than the sum of its proper divisors (48034481).

144103431 is an equidigital number, since it uses as much as digits as its factorization.

144103431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48034480.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 144103431 is about 12004.3088514083. The cubic root of 144103431 is about 524.2737422813.

Adding to 144103431 its reverse (134301441), we get a palindrome (278404872).

The spelling of 144103431 in words is "one hundred forty-four million, one hundred three thousand, four hundred thirty-one".