142494814 has 16 divisors (see below), whose sum is σ = 266484096. Its totient is φ = 55517400.

The previous prime is 142494811. The next prime is 142494823. The reversal of 142494814 is 418494241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142494811) 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, 462492 + ... + 462799.

It is an arithmetic number, because the mean of its divisors is an integer number (16655256).

Almost surely, 2^142494814 is an apocalyptic number.

142494814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142494814 is a deficient number, since it is larger than the sum of its proper divisors (123989282).

142494814 is a wasteful number, since it uses less digits than its factorization.

142494814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925311.

The product of its digits is 36864, while the sum is 37.

The square root of 142494814 is about 11937.1191667001. The cubic root of 142494814 is about 522.3156270496.

The spelling of 142494814 in words is "one hundred forty-two million, four hundred ninety-four thousand, eight hundred fourteen".