142434545 has 24 divisors (see below), whose sum is σ = 197776320. Its totient is φ = 98128800.

The previous prime is 142434541. The next prime is 142434577. The reversal of 142434545 is 545434241.

142434545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142434545 - 2² = 142434541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142434541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5300 + ... + 17690.

It is an arithmetic number, because the mean of its divisors is an integer number (8240680).

Almost surely, 2^142434545 is an apocalyptic number.

It is an amenable number.

142434545 is a deficient number, since it is larger than the sum of its proper divisors (55341775).

142434545 is a wasteful number, since it uses less digits than its factorization.

142434545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12437 (or 12426 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 142434545 is about 11934.5944631563. The cubic root of 142434545 is about 522.2419778671.

Adding to 142434545 its reverse (545434241), we get a palindrome (687868786).

The spelling of 142434545 in words is "one hundred forty-two million, four hundred thirty-four thousand, five hundred forty-five".