1142825243 has 16 divisors (see below), whose sum is σ = 1422240000. Its totient is φ = 896005152.

The previous prime is 1142825213. The next prime is 1142825309. The reversal of 1142825243 is 3425282411.

It is not a de Polignac number, because 1142825243 - 2¹⁸ = 1142563099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142825213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144293 + ... + 152006.

It is an arithmetic number, because the mean of its divisors is an integer number (88890000).

Almost surely, 2^1142825243 is an apocalyptic number.

1142825243 is a deficient number, since it is larger than the sum of its proper divisors (279414757).

1142825243 is a wasteful number, since it uses less digits than its factorization.

1142825243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296354.

The product of its digits is 15360, while the sum is 32.

The square root of 1142825243 is about 33805.6983805985. The cubic root of 1142825243 is about 1045.5061894481.

The spelling of 1142825243 in words is "one billion, one hundred forty-two million, eight hundred twenty-five thousand, two hundred forty-three".