142500018 has 16 divisors (see below), whose sum is σ = 301764960. Its totient is φ = 44705856.

The previous prime is 142499977. The next prime is 142500023. The reversal of 142500018 is 810005241.

It is a junction number, because it is equal to n+sod(n) for n = 142499967 and 142500003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698428 + ... + 698631.

It is an arithmetic number, because the mean of its divisors is an integer number (18860310).

Almost surely, 2^142500018 is an apocalyptic number.

142500018 is an abundant number, since it is smaller than the sum of its proper divisors (159264942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142500018 is a wasteful number, since it uses less digits than its factorization.

142500018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397081.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 142500018 is about 11937.3371402503. The cubic root of 142500018 is about 522.3219854037.

Adding to 142500018 its reverse (810005241), we get a palindrome (952505259).

The spelling of 142500018 in words is "one hundred forty-two million, five hundred thousand, eighteen".