142530335 has 4 divisors (see below), whose sum is σ = 171036408. Its totient is φ = 114024264.

The previous prime is 142530319. The next prime is 142530341. The reversal of 142530335 is 533035241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 533035241 = 19699 ⋅27059.

It is a cyclic number.

It is not a de Polignac number, because 142530335 - 2⁴ = 142530319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14253029 + ... + 14253038.

It is an arithmetic number, because the mean of its divisors is an integer number (42759102).

Almost surely, 2^142530335 is an apocalyptic number.

142530335 is a deficient number, since it is larger than the sum of its proper divisors (28506073).

142530335 is an equidigital number, since it uses as much as digits as its factorization.

142530335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28506072.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 142530335 is about 11938.6069120312. The cubic root of 142530335 is about 522.3590242593.

Adding to 142530335 its reverse (533035241), we get a palindrome (675565576).

The spelling of 142530335 in words is "one hundred forty-two million, five hundred thirty thousand, three hundred thirty-five".