142461189 has 12 divisors (see below), whose sum is σ = 221606476. Its totient is φ = 87668352.

The previous prime is 142461181. The next prime is 142461199. The reversal of 142461189 is 981164241.

142461189 is a `hidden beast` number, since 14 + 2 + 461 + 189 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14884164 + 127577025 = 3858^2 + 11295^2 .

It is not a de Polignac number, because 142461189 - 2³ = 142461181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142461181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 608692 + ... + 608925.

Almost surely, 2^142461189 is an apocalyptic number.

It is an amenable number.

142461189 is a deficient number, since it is larger than the sum of its proper divisors (79145287).

142461189 is a wasteful number, since it uses less digits than its factorization.

142461189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217636 (or 1217633 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 142461189 is about 11935.7106617076. The cubic root of 142461189 is about 522.2745396020.

The spelling of 142461189 in words is "one hundred forty-two million, four hundred sixty-one thousand, one hundred eighty-nine".