142040403 has 12 divisors (see below), whose sum is σ = 205274160. Its totient is φ = 94645296.

The previous prime is 142040401. The next prime is 142040411. The reversal of 142040403 is 304040241.

It is not a de Polignac number, because 142040403 - 2¹ = 142040401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142040401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28018 + ... + 32696.

It is an arithmetic number, because the mean of its divisors is an integer number (17106180).

Almost surely, 2^142040403 is an apocalyptic number.

142040403 is a deficient number, since it is larger than the sum of its proper divisors (63233757).

142040403 is a wasteful number, since it uses less digits than its factorization.

142040403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8058 (or 8055 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 142040403 is about 11918.0704394629. The cubic root of 142040403 is about 521.7598203652.

Adding to 142040403 its reverse (304040241), we get a palindrome (446080644).

The spelling of 142040403 in words is "one hundred forty-two million, forty thousand, four hundred three".