1431145244 has 24 divisors (see below), whose sum is σ = 2606415840. Its totient is φ = 686751296.

The previous prime is 1431145231. The next prime is 1431145279. The reversal of 1431145244 is 4425411341.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17567 + ... + 56310.

It is an arithmetic number, because the mean of its divisors is an integer number (108600660).

Almost surely, 2^1431145244 is an apocalyptic number.

It is an amenable number.

1431145244 is a deficient number, since it is larger than the sum of its proper divisors (1175270596).

1431145244 is a wasteful number, since it uses less digits than its factorization.

1431145244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74077 (or 74075 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 1431145244 is about 37830.4803564533. The cubic root of 1431145244 is about 1126.9238506207.

Adding to 1431145244 its reverse (4425411341), we get a palindrome (5856556585).

The spelling of 1431145244 in words is "one billion, four hundred thirty-one million, one hundred forty-five thousand, two hundred forty-four".