201903045 has 8 divisors (see below), whose sum is σ = 323044896. Its totient is φ = 107681616.

The previous prime is 201903041. The next prime is 201903073. The reversal of 201903045 is 540309102.

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

It is not a de Polignac number, because 201903045 - 2² = 201903041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201903041) 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, 6730087 + ... + 6730116.

It is an arithmetic number, because the mean of its divisors is an integer number (40380612).

Almost surely, 2^201903045 is an apocalyptic number.

It is an amenable number.

201903045 is a deficient number, since it is larger than the sum of its proper divisors (121141851).

201903045 is a wasteful number, since it uses less digits than its factorization.

201903045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13460211.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 201903045 is about 14209.2591291735. The cubic root of 201903045 is about 586.6525412333.

The spelling of 201903045 in words is "two hundred one million, nine hundred three thousand, forty-five".