142578018 has 24 divisors (see below), whose sum is σ = 337003056. Its totient is φ = 43205400.

The previous prime is 142578013. The next prime is 142578047. The reversal of 142578018 is 810875241.

142578018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142578013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359848 + ... + 360243.

It is an arithmetic number, because the mean of its divisors is an integer number (14041794).

Almost surely, 2^142578018 is an apocalyptic number.

142578018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

142578018 is an abundant number, since it is smaller than the sum of its proper divisors (194425038).

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

142578018 is a wasteful number, since it uses less digits than its factorization.

142578018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720110 (or 720107 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 142578018 is about 11940.6037535796. The cubic root of 142578018 is about 522.4172688622.

The spelling of 142578018 in words is "one hundred forty-two million, five hundred seventy-eight thousand, eighteen".