142244590019 has 8 divisors (see below), whose sum is σ = 162570941280. Its totient is φ = 121919662656.

The previous prime is 142244590013. The next prime is 142244590063. The reversal of 142244590019 is 910095442241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142244590019 is a prime.

It is a super-2 number, since 2×142244590019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142244590013) 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, 132554 + ... + 549599.

It is an arithmetic number, because the mean of its divisors is an integer number (20321367660).

Almost surely, 2^142244590019 is an apocalyptic number.

142244590019 is a deficient number, since it is larger than the sum of its proper divisors (20326351261).

142244590019 is an equidigital number, since it uses as much as digits as its factorization.

142244590019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711949.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 142244590019 in words is "one hundred forty-two billion, two hundred forty-four million, five hundred ninety thousand, nineteen".