142734403 has 12 divisors (see below), whose sum is σ = 174777960. Its totient is φ = 115903872.

The previous prime is 142734391. The next prime is 142734443. The reversal of 142734403 is 304437241.

It is not a de Polignac number, because 142734403 - 2⁹ = 142733891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142734443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75726 + ... + 77587.

It is an arithmetic number, because the mean of its divisors is an integer number (14564830).

Almost surely, 2^142734403 is an apocalyptic number.

142734403 is a deficient number, since it is larger than the sum of its proper divisors (32043557).

142734403 is a wasteful number, since it uses less digits than its factorization.

142734403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153346 (or 153339 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 142734403 is about 11947.1504133831. The cubic root of 142734403 is about 522.6082014571.

The spelling of 142734403 in words is "one hundred forty-two million, seven hundred thirty-four thousand, four hundred three".