142044546 has 16 divisors (see below), whose sum is σ = 324673344. Its totient is φ = 40584144.

The previous prime is 142044521. The next prime is 142044559. The reversal of 142044546 is 645440241.

It is a happy number.

142044546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142044546² = 40353306096692232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1690965 + ... + 1691048.

It is an arithmetic number, because the mean of its divisors is an integer number (20292084).

Almost surely, 2^142044546 is an apocalyptic number.

142044546 is an abundant number, since it is smaller than the sum of its proper divisors (182628798).

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

142044546 is a wasteful number, since it uses less digits than its factorization.

142044546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382025.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 142044546 is about 11918.2442498885. The cubic root of 142044546 is about 521.7648931705.

Adding to 142044546 its reverse (645440241), we get a palindrome (787484787).

The spelling of 142044546 in words is "one hundred forty-two million, forty-four thousand, five hundred forty-six".