142034155 has 4 divisors (see below), whose sum is σ = 170440992. Its totient is φ = 113627320.

The previous prime is 142034153. The next prime is 142034161. The reversal of 142034155 is 551430241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551430241 = 17 ⋅32437073.

It is not a de Polignac number, because 142034155 - 2¹ = 142034153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142034153) 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, 14203411 + ... + 14203420.

It is an arithmetic number, because the mean of its divisors is an integer number (42610248).

Almost surely, 2^142034155 is an apocalyptic number.

142034155 is a deficient number, since it is larger than the sum of its proper divisors (28406837).

142034155 is an equidigital number, since it uses as much as digits as its factorization.

142034155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28406836.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 142034155 is about 11917.8083136120. The cubic root of 142034155 is about 521.7521699524.

Adding to 142034155 its reverse (551430241), we get a palindrome (693464396).

The spelling of 142034155 in words is "one hundred forty-two million, thirty-four thousand, one hundred fifty-five".