142274 has 16 divisors (see below), whose sum is σ = 241920. Its totient is φ = 62160.

The previous prime is 142271. The next prime is 142297. The reversal of 142274 is 472241.

It is a d-powerful number, because it can be written as 1 + 4² + 2⁵ + 2¹³ + 7⁶ + 4⁷ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142274.

It is not an unprimeable number, because it can be changed into a prime (142271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527 + ... + 749.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2¹⁴²²⁷⁴ is an apocalyptic number.

142274 is a deficient number, since it is larger than the sum of its proper divisors (99646).

142274 is a wasteful number, since it uses less digits than its factorization.

142274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265.

The product of its digits is 448, while the sum is 20.

The square root of 142274 is about 377.1922586692. The cubic root of 142274 is about 52.2045689204.

The spelling of 142274 in words is "one hundred forty-two thousand, two hundred seventy-four", and thus it is an iban number.