1142850241 has 16 divisors (see below), whose sum is σ = 1276324560. Its totient is φ = 1016064000.

The previous prime is 1142850229. The next prime is 1142850251. The reversal of 1142850241 is 1420582411.

1142850241 = 23904² + 23905².

It can be written as a sum of positive squares in 8 ways, for example, as 210830400 + 932019841 = 14520^2 + 30529^2 .

It is a 3-Lehmer number, since φ(1142850241) divides (1142850241-1)³.

It is a cyclic number.

It is not a de Polignac number, because 1142850241 - 2²⁹ = 605979329 is a prime.

It is a super-2 number, since 2×1142850241² = 2612213346707516162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142850251) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 159741 + ... + 166741.

It is an arithmetic number, because the mean of its divisors is an integer number (79770285).

Almost surely, 2^1142850241 is an apocalyptic number.

1142850241 is the 23905-th centered square number.

It is an amenable number.

1142850241 is a deficient number, since it is larger than the sum of its proper divisors (133474319).

1142850241 is a wasteful number, since it uses less digits than its factorization.

1142850241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7476.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1142850241 is about 33806.0681091428. The cubic root of 1142850241 is about 1045.5138124781.

The spelling of 1142850241 in words is "one billion, one hundred forty-two million, eight hundred fifty thousand, two hundred forty-one".