142673563 has 8 divisors (see below), whose sum is σ = 150869376. Its totient is φ = 134702400.

The previous prime is 142673539. The next prime is 142673567. The reversal of 142673563 is 365376241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142673563 - 2²¹ = 140576411 is a prime.

It is a super-2 number, since 2×142673563² = 40711491158229938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142673567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54856 + ... + 57397.

It is an arithmetic number, because the mean of its divisors is an integer number (18858672).

Almost surely, 2^142673563 is an apocalyptic number.

142673563 is a deficient number, since it is larger than the sum of its proper divisors (8195813).

142673563 is a wasteful number, since it uses less digits than its factorization.

142673563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112325.

The product of its digits is 90720, while the sum is 37.

The square root of 142673563 is about 11944.6039281342. The cubic root of 142673563 is about 522.5339376474.

The spelling of 142673563 in words is "one hundred forty-two million, six hundred seventy-three thousand, five hundred sixty-three".