10203145 has 24 divisors (see below), whose sum is σ = 13616064. Its totient is φ = 7324416.

The previous prime is 10203119. The next prime is 10203181. The reversal of 10203145 is 54130201.

It is not a de Polignac number, because 10203145 - 2⁵ = 10203113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33082 + ... + 33388.

It is an arithmetic number, because the mean of its divisors is an integer number (567336).

Almost surely, 2^10203145 is an apocalyptic number.

It is an amenable number.

10203145 is a deficient number, since it is larger than the sum of its proper divisors (3412919).

10203145 is a wasteful number, since it uses less digits than its factorization.

10203145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10203145 is about 3194.2362154355. The cubic root of 10203145 is about 216.8925756809.

Adding to 10203145 its reverse (54130201), we get a palindrome (64333346).

The spelling of 10203145 in words is "ten million, two hundred three thousand, one hundred forty-five".