203145142 has 8 divisors (see below), whose sum is σ = 309882600. Its totient is φ = 99850944.

The previous prime is 203145127. The next prime is 203145161. The reversal of 203145142 is 241541302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860667 + ... + 860902.

It is an arithmetic number, because the mean of its divisors is an integer number (38735325).

Almost surely, 2^203145142 is an apocalyptic number.

203145142 is a deficient number, since it is larger than the sum of its proper divisors (106737458).

203145142 is a wasteful number, since it uses less digits than its factorization.

203145142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721630.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 203145142 is about 14252.8994243277. The cubic root of 203145142 is about 587.8531012709.

Adding to 203145142 its reverse (241541302), we get a palindrome (444686444).

The spelling of 203145142 in words is "two hundred three million, one hundred forty-five thousand, one hundred forty-two".