142478435 has 16 divisors (see below), whose sum is σ = 196335360. Its totient is φ = 98166240.

The previous prime is 142478429. The next prime is 142478437. The reversal of 142478435 is 534874241.

Added to its reverse (534874241) it gives a square (677352676 = 26026²).

It is not a de Polignac number, because 142478435 - 2⁸ = 142478179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142478437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67127 + ... + 69216.

It is an arithmetic number, because the mean of its divisors is an integer number (12270960).

Almost surely, 2^142478435 is an apocalyptic number.

142478435 is a deficient number, since it is larger than the sum of its proper divisors (53856925).

142478435 is a wasteful number, since it uses less digits than its factorization.

142478435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136378.

The product of its digits is 107520, while the sum is 38.

The square root of 142478435 is about 11936.4330936842. The cubic root of 142478435 is about 522.2956138407.

Adding to 142478435 its reverse (534874241), we get a square (677352676 = 26026²).

The spelling of 142478435 in words is "one hundred forty-two million, four hundred seventy-eight thousand, four hundred thirty-five".