142627878 has 24 divisors (see below), whose sum is σ = 320473608. Its totient is φ = 47542464.

The previous prime is 142627847. The next prime is 142627879. The reversal of 142627878 is 878726241.

142627878 is a `hidden beast` number, since 14 + 2 + 627 + 8 + 7 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142627879) 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, 146251 + ... + 147222.

It is an arithmetic number, because the mean of its divisors is an integer number (13353067).

Almost surely, 2^142627878 is an apocalyptic number.

142627878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

142627878 is an abundant number, since it is smaller than the sum of its proper divisors (177845730).

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

142627878 is an equidigital number, since it uses as much as digits as its factorization.

142627878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293490 (or 293478 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 142627878 is about 11942.6914052068. The cubic root of 142627878 is about 522.4781587751.

The spelling of 142627878 in words is "one hundred forty-two million, six hundred twenty-seven thousand, eight hundred seventy-eight".