142418019 has 8 divisors (see below), whose sum is σ = 191848720. Its totient is φ = 93966336.

The previous prime is 142418009. The next prime is 142418039. The reversal of 142418019 is 910814241.

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

It is not a de Polignac number, because 142418019 - 2¹¹ = 142415971 is a prime.

It is a super-2 number, since 2×142418019² = 40565784271768722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142418009) 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, 244414 + ... + 244995.

It is an arithmetic number, because the mean of its divisors is an integer number (23981090).

Almost surely, 2^142418019 is an apocalyptic number.

142418019 is a deficient number, since it is larger than the sum of its proper divisors (49430701).

142418019 is an equidigital number, since it uses as much as digits as its factorization.

142418019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489509.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 142418019 is about 11933.9020860739. The cubic root of 142418019 is about 522.2217793384.

The spelling of 142418019 in words is "one hundred forty-two million, four hundred eighteen thousand, nineteen".