142775214 has 32 divisors (see below), whose sum is σ = 315498240. Its totient is φ = 42844032.

The previous prime is 142775203. The next prime is 142775219. The reversal of 142775214 is 412577241.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142775219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28084 + ... + 32775.

It is an arithmetic number, because the mean of its divisors is an integer number (9859320).

Almost surely, 2^142775214 is an apocalyptic number.

142775214 is an abundant number, since it is smaller than the sum of its proper divisors (172723026).

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

142775214 is a wasteful number, since it uses less digits than its factorization.

142775214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60904.

The product of its digits is 15680, while the sum is 33.

The square root of 142775214 is about 11948.8582718183. The cubic root of 142775214 is about 522.6580052195.

It can be divided in two parts, 14277 and 5214, that added together give a palindrome (19491).

The spelling of 142775214 in words is "one hundred forty-two million, seven hundred seventy-five thousand, two hundred fourteen".