142434011 has 4 divisors (see below), whose sum is σ = 143341392. Its totient is φ = 141526632.

The previous prime is 142433971. The next prime is 142434031. The reversal of 142434011 is 110434241.

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

It is a cyclic number.

It is not a de Polignac number, because 142434011 - 2⁶ = 142433947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142434031) 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, 453455 + ... + 453768.

It is an arithmetic number, because the mean of its divisors is an integer number (35835348).

Almost surely, 2^142434011 is an apocalyptic number.

142434011 is a deficient number, since it is larger than the sum of its proper divisors (907381).

142434011 is an equidigital number, since it uses as much as digits as its factorization.

142434011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907380.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 142434011 is about 11934.5720911979. The cubic root of 142434011 is about 522.2413252221.

Adding to 142434011 its reverse (110434241), we get a palindrome (252868252).

The spelling of 142434011 in words is "one hundred forty-two million, four hundred thirty-four thousand, eleven".