142564473 has 24 divisors (see below), whose sum is σ = 210263040. Its totient is φ = 93055200.

The previous prime is 142564459. The next prime is 142564481. The reversal of 142564473 is 374465241.

142564473 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 644 + 7 + 3 = 666.

It is not a de Polignac number, because 142564473 - 2⁹ = 142563961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142564403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203023 + ... + 203723.

It is an arithmetic number, because the mean of its divisors is an integer number (8760960).

Almost surely, 2^142564473 is an apocalyptic number.

It is an amenable number.

142564473 is a deficient number, since it is larger than the sum of its proper divisors (67698567).

142564473 is a wasteful number, since it uses less digits than its factorization.

142564473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149 (or 1146 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 142564473 is about 11940.0365577330. The cubic root of 142564473 is about 522.4007250169.

The spelling of 142564473 in words is "one hundred forty-two million, five hundred sixty-four thousand, four hundred seventy-three".