142440118 has 8 divisors (see below), whose sum is σ = 216234648. Its totient is φ = 70361904.

The previous prime is 142440107. The next prime is 142440119. The reversal of 142440118 is 811044241.

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

It is a junction number, because it is equal to n+sod(n) for n = 142440092 and 142440101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142440119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428871 + ... + 429202.

It is an arithmetic number, because the mean of its divisors is an integer number (27029331).

Almost surely, 2^142440118 is an apocalyptic number.

142440118 is a deficient number, since it is larger than the sum of its proper divisors (73794530).

142440118 is an equidigital number, since it uses as much as digits as its factorization.

142440118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858158.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 142440118 is about 11934.8279417845. The cubic root of 142440118 is about 522.2487889876.

Adding to 142440118 its reverse (811044241), we get a palindrome (953484359).

The spelling of 142440118 in words is "one hundred forty-two million, four hundred forty thousand, one hundred eighteen".