203144030142 has 16 divisors (see below), whose sum is σ = 406375734672. Its totient is φ = 67700064320.

The previous prime is 203144030087. The next prime is 203144030147. The reversal of 203144030142 is 241030441302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203144030147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3622959 + ... + 3678602.

It is an arithmetic number, because the mean of its divisors is an integer number (25398483417).

Almost surely, 2^203144030142 is an apocalyptic number.

203144030142 is an abundant number, since it is smaller than the sum of its proper divisors (203231704530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203144030142 is a wasteful number, since it uses less digits than its factorization.

203144030142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7306203.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 203144030142 its reverse (241030441302), we get a palindrome (444174471444).

The spelling of 203144030142 in words is "two hundred three billion, one hundred forty-four million, thirty thousand, one hundred forty-two".