403030142 has 32 divisors (see below), whose sum is σ = 630609408. Its totient is φ = 193054176.

The previous prime is 403030141. The next prime is 403030171. The reversal of 403030142 is 241030304.

It is a self number, because there is not a number n which added to its sum of digits gives 403030142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403030141) 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, 1532303 + ... + 1532565.

It is an arithmetic number, because the mean of its divisors is an integer number (19706544).

Almost surely, 2^403030142 is an apocalyptic number.

403030142 is a deficient number, since it is larger than the sum of its proper divisors (227579266).

403030142 is a wasteful number, since it uses less digits than its factorization.

403030142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 403030142 is about 20075.6106258315. The cubic root of 403030142 is about 738.6621444552.

Adding to 403030142 its reverse (241030304), we get a palindrome (644060446).

The spelling of 403030142 in words is "four hundred three million, thirty thousand, one hundred forty-two".