1142544404 has 12 divisors (see below), whose sum is σ = 2104687200. Its totient is φ = 541205208.

The previous prime is 1142544383. The next prime is 1142544437. The reversal of 1142544404 is 4044452411.

It is a super-2 number, since 2×1142544404² = 2610815430223430432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7516664 + ... + 7516815.

It is an arithmetic number, because the mean of its divisors is an integer number (175390600).

Almost surely, 2^1142544404 is an apocalyptic number.

It is an amenable number.

1142544404 is a deficient number, since it is larger than the sum of its proper divisors (962142796).

1142544404 is a wasteful number, since it uses less digits than its factorization.

1142544404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15033502 (or 15033500 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 1142544404 is about 33801.5444025861. The cubic root of 1142544404 is about 1045.4205411920.

Adding to 1142544404 its reverse (4044452411), we get a palindrome (5186996815).

The spelling of 1142544404 in words is "one billion, one hundred forty-two million, five hundred forty-four thousand, four hundred four".