142544914 has 16 divisors (see below), whose sum is σ = 221569920. Its totient is φ = 68730480.

The previous prime is 142544911. The next prime is 142544951. The reversal of 142544914 is 419445241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142544914.

It is not an unprimeable number, because it can be changed into a prime (142544911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3697 + ... + 17284.

It is an arithmetic number, because the mean of its divisors is an integer number (13848120).

Almost surely, 2^142544914 is an apocalyptic number.

142544914 is a deficient number, since it is larger than the sum of its proper divisors (79025006).

142544914 is a wasteful number, since it uses less digits than its factorization.

142544914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21105.

The product of its digits is 23040, while the sum is 34.

The square root of 142544914 is about 11939.2174785452. The cubic root of 142544914 is about 522.3768338308.

The spelling of 142544914 in words is "one hundred forty-two million, five hundred forty-four thousand, nine hundred fourteen".