203152145 has 16 divisors (see below), whose sum is σ = 287597568. Its totient is φ = 134809920.

The previous prime is 203152139. The next prime is 203152181. The reversal of 203152145 is 541251302.

203152145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203152145 - 2⁸ = 203151889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203152145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92534 + ... + 94703.

It is an arithmetic number, because the mean of its divisors is an integer number (17974848).

Almost surely, 2^203152145 is an apocalyptic number.

It is an amenable number.

203152145 is a deficient number, since it is larger than the sum of its proper divisors (84445423).

203152145 is a wasteful number, since it uses less digits than its factorization.

203152145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187280.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 203152145 is about 14253.1450915228. The cubic root of 203152145 is about 587.8598561916.

The spelling of 203152145 in words is "two hundred three million, one hundred fifty-two thousand, one hundred forty-five".