142420054 has 16 divisors (see below), whose sum is σ = 246391200. Its totient is φ = 60476544.

The previous prime is 142420051. The next prime is 142420079. The reversal of 142420054 is 450024241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142420051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45139 + ... + 48190.

It is an arithmetic number, because the mean of its divisors is an integer number (15399450).

Almost surely, 2^142420054 is an apocalyptic number.

142420054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142420054 is a deficient number, since it is larger than the sum of its proper divisors (103971146).

142420054 is a wasteful number, since it uses less digits than its factorization.

142420054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93447.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 142420054 is about 11933.9873470689. The cubic root of 142420054 is about 522.2242666553.

Adding to 142420054 its reverse (450024241), we get a palindrome (592444295).

The spelling of 142420054 in words is "one hundred forty-two million, four hundred twenty thousand, fifty-four".