142234573 has 4 divisors (see below), whose sum is σ = 153175708. Its totient is φ = 131293440.

The previous prime is 142234571. The next prime is 142234577. The reversal of 142234573 is 375432241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23794884 + 118439689 = 4878^2 + 10883^2 .

It is a cyclic number.

It is not a de Polignac number, because 142234573 - 2¹ = 142234571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142234571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5470548 + ... + 5470573.

It is an arithmetic number, because the mean of its divisors is an integer number (38293927).

Almost surely, 2^142234573 is an apocalyptic number.

142234573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142234573 is a deficient number, since it is larger than the sum of its proper divisors (10941135).

142234573 is a wasteful number, since it uses less digits than its factorization.

142234573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10941134.

The product of its digits is 20160, while the sum is 31.

The square root of 142234573 is about 11926.2136908576. The cubic root of 142234573 is about 521.9974616123.

The spelling of 142234573 in words is "one hundred forty-two million, two hundred thirty-four thousand, five hundred seventy-three".