142619081 has 8 divisors (see below), whose sum is σ = 157907424. Its totient is φ = 127717920.

The previous prime is 142619063. The next prime is 142619083. The reversal of 142619081 is 180916241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142619081 - 2²² = 138424777 is a prime.

It is a super-2 number, since 2×142619081² = 40680404530569122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142619083) 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, 96020 + ... + 97493.

It is an arithmetic number, because the mean of its divisors is an integer number (19738428).

Almost surely, 2^142619081 is an apocalyptic number.

142619081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142619081 is a deficient number, since it is larger than the sum of its proper divisors (15288343).

142619081 is a wasteful number, since it uses less digits than its factorization.

142619081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193591.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 142619081 is about 11942.3230989619. The cubic root of 142619081 is about 522.4674167543.

The spelling of 142619081 in words is "one hundred forty-two million, six hundred nineteen thousand, eighty-one".