142081468 has 24 divisors (see below), whose sum is σ = 262699920. Its totient is φ = 67052160.

The previous prime is 142081453. The next prime is 142081477. The reversal of 142081468 is 864180241.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18030 + ... + 24682.

It is an arithmetic number, because the mean of its divisors is an integer number (10945830).

Almost surely, 2^142081468 is an apocalyptic number.

It is an amenable number.

142081468 is a deficient number, since it is larger than the sum of its proper divisors (120618452).

142081468 is a wasteful number, since it uses less digits than its factorization.

142081468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6957 (or 6955 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 142081468 is about 11919.7931190101. The cubic root of 142081468 is about 521.8100971458.

The spelling of 142081468 in words is "one hundred forty-two million, eighty-one thousand, four hundred sixty-eight".