144790431 has 8 divisors (see below), whose sum is σ = 203214720. Its totient is φ = 91446552.

The previous prime is 144790421. The next prime is 144790433. The reversal of 144790431 is 134097441.

144790431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 144790431 - 2⁹ = 144789919 is a prime.

It is a super-2 number, since 2×144790431² = 41928537818331522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144790392 and 144790401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144790433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270035 + ... + 1270148.

It is an arithmetic number, because the mean of its divisors is an integer number (25401840).

Almost surely, 2^144790431 is an apocalyptic number.

144790431 is a deficient number, since it is larger than the sum of its proper divisors (58424289).

144790431 is a wasteful number, since it uses less digits than its factorization.

144790431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540205.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 144790431 is about 12032.8895532204. The cubic root of 144790431 is about 525.1055642598.

The spelling of 144790431 in words is "one hundred forty-four million, seven hundred ninety thousand, four hundred thirty-one".