1142175159 has 24 divisors (see below), whose sum is σ = 1716823680. Its totient is φ = 731121552.

The previous prime is 1142175119. The next prime is 1142175161. The reversal of 1142175159 is 9515712411.

1142175159 is a `hidden beast` number, since 11 + 421 + 75 + 159 = 666.

It is not a de Polignac number, because 1142175159 - 2¹⁷ = 1142044087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142175119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2179 + ... + 47844.

It is an arithmetic number, because the mean of its divisors is an integer number (71534320).

Almost surely, 2^1142175159 is an apocalyptic number.

1142175159 is a deficient number, since it is larger than the sum of its proper divisors (574648521).

1142175159 is a wasteful number, since it uses less digits than its factorization.

1142175159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50131 (or 50128 counting only the distinct ones).

The product of its digits is 12600, while the sum is 36.

The square root of 1142175159 is about 33796.0820066469. The cubic root of 1142175159 is about 1045.3079101503.

It can be divided in two parts, 11421751 and 59, that added together give a triangular number (11421810 = T₄₇₇₉).

The spelling of 1142175159 in words is "one billion, one hundred forty-two million, one hundred seventy-five thousand, one hundred fifty-nine".