1142544415 has 16 divisors (see below), whose sum is σ = 1452867840. Its totient is φ = 859578880.

The previous prime is 1142544383. The next prime is 1142544437. The reversal of 1142544415 is 5144452411.

It is not a de Polignac number, because 1142544415 - 2⁵ = 1142544383 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117645 + ... + 126985.

It is an arithmetic number, because the mean of its divisors is an integer number (90804240).

Almost surely, 2^1142544415 is an apocalyptic number.

1142544415 is a deficient number, since it is larger than the sum of its proper divisors (310323425).

1142544415 is a wasteful number, since it uses less digits than its factorization.

1142544415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10802.

The product of its digits is 12800, while the sum is 31.

The square root of 1142544415 is about 33801.5445653006. The cubic root of 1142544415 is about 1045.4205445470.

Adding to 1142544415 its reverse (5144452411), we get a palindrome (6286996826).

The spelling of 1142544415 in words is "one billion, one hundred forty-two million, five hundred forty-four thousand, four hundred fifteen".