1142253415 has 8 divisors (see below), whose sum is σ = 1373454000. Its totient is φ = 911969472.

The previous prime is 1142253397. The next prime is 1142253449. The reversal of 1142253415 is 5143522411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142253415 - 2⁵ = 1142253383 is a prime.

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, 226414 + ... + 231403.

It is an arithmetic number, because the mean of its divisors is an integer number (171681750).

Almost surely, 2^1142253415 is an apocalyptic number.

1142253415 is a deficient number, since it is larger than the sum of its proper divisors (231200585).

1142253415 is an equidigital number, since it uses as much as digits as its factorization.

1142253415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458321.

The product of its digits is 4800, while the sum is 28.

The square root of 1142253415 is about 33797.2397541574. The cubic root of 1142253415 is about 1045.3317826556.

Adding to 1142253415 its reverse (5143522411), we get a palindrome (6285775826).

The spelling of 1142253415 in words is "one billion, one hundred forty-two million, two hundred fifty-three thousand, four hundred fifteen".