1415144231 has 2 divisors, whose sum is σ = 1415144232. Its totient is φ = 1415144230.

The previous prime is 1415144219. The next prime is 1415144251. The reversal of 1415144231 is 1324415141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1415144231 - 2⁶ = 1415144167 is a prime.

It is a super-2 number, since 2×1415144231² = 4005266389065162722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1415144231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1415144251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707572115 + 707572116.

It is an arithmetic number, because the mean of its divisors is an integer number (707572116).

Almost surely, 2^1415144231 is an apocalyptic number.

1415144231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415144231 is an equidigital number, since it uses as much as digits as its factorization.

1415144231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 26.

The square root of 1415144231 is about 37618.4028236181. The cubic root of 1415144231 is about 1122.7082183768.

Adding to 1415144231 its reverse (1324415141), we get a palindrome (2739559372).

The spelling of 1415144231 in words is "one billion, four hundred fifteen million, one hundred forty-four thousand, two hundred thirty-one".