142049434 has 32 divisors (see below), whose sum is σ = 230247360. Its totient is φ = 65520000.

The previous prime is 142049431. The next prime is 142049443. The reversal of 142049434 is 434940241.

142049434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142049396 and 142049405.

It is not an unprimeable number, because it can be changed into a prime (142049431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505374 + ... + 505654.

It is an arithmetic number, because the mean of its divisors is an integer number (7195230).

Almost surely, 2^142049434 is an apocalyptic number.

142049434 is a deficient number, since it is larger than the sum of its proper divisors (88197926).

142049434 is a wasteful number, since it uses less digits than its factorization.

142049434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 142049434 is about 11918.4493118862. The cubic root of 142049434 is about 521.7708780478.

Adding to 142049434 its reverse (434940241), we get a palindrome (576989675).

The spelling of 142049434 in words is "one hundred forty-two million, forty-nine thousand, four hundred thirty-four".