142029619 has 4 divisors (see below), whose sum is σ = 142205560. Its totient is φ = 141853680.

The previous prime is 142029593. The next prime is 142029647. The reversal of 142029619 is 916920241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142029619 - 2⁷ = 142029491 is a prime.

It is a super-2 number, since 2×142029619² = 40344825346570322, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (142029649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86754 + ... + 88375.

It is an arithmetic number, because the mean of its divisors is an integer number (35551390).

Almost surely, 2^142029619 is an apocalyptic number.

142029619 is a deficient number, since it is larger than the sum of its proper divisors (175941).

142029619 is an equidigital number, since it uses as much as digits as its factorization.

142029619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175940.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 142029619 is about 11917.6180086459. The cubic root of 142029619 is about 521.7466156709.

The spelling of 142029619 in words is "one hundred forty-two million, twenty-nine thousand, six hundred nineteen".