142841473 has 4 divisors (see below), whose sum is σ = 143079748. Its totient is φ = 142603200.

The previous prime is 142841471. The next prime is 142841513. The reversal of 142841473 is 374148241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47720464 + 95121009 = 6908^2 + 9753^2 .

It is a cyclic number.

It is not a de Polignac number, because 142841473 - 2¹ = 142841471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142841471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118236 + ... + 119437.

It is an arithmetic number, because the mean of its divisors is an integer number (35769937).

Almost surely, 2^142841473 is an apocalyptic number.

It is an amenable number.

142841473 is a deficient number, since it is larger than the sum of its proper divisors (238275).

142841473 is an equidigital number, since it uses as much as digits as its factorization.

142841473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238274.

The product of its digits is 21504, while the sum is 34.

The square root of 142841473 is about 11951.6305582125. The cubic root of 142841473 is about 522.7388442766.

The spelling of 142841473 in words is "one hundred forty-two million, eight hundred forty-one thousand, four hundred seventy-three".