142673436 has 36 divisors (see below), whose sum is σ = 362958232. Its totient is φ = 47253024.

The previous prime is 142673429. The next prime is 142673459. The reversal of 142673436 is 634376241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 142673436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6970 + ... + 18273.

Almost surely, 2^142673436 is an apocalyptic number.

It is an amenable number.

142673436 is an abundant number, since it is smaller than the sum of its proper divisors (220284796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142673436 is a wasteful number, since it uses less digits than its factorization.

142673436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25410 (or 25405 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 142673436 is about 11944.5986119250. The cubic root of 142673436 is about 522.5337826039.

The spelling of 142673436 in words is "one hundred forty-two million, six hundred seventy-three thousand, four hundred thirty-six".