2145835903 has 8 divisors (see below), whose sum is σ = 2217517056. Its totient is φ = 2074308600.

The previous prime is 2145835891. The next prime is 2145835943. The reversal of 2145835903 is 3095385412.

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

It is a cyclic number.

It is not a de Polignac number, because 2145835903 - 2⁵ = 2145835871 is a prime.

It is a super-2 number, since 2×2145835903² = 9209223445207650818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145835943) 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, 9751 + ... + 66232.

It is an arithmetic number, because the mean of its divisors is an integer number (277189632).

Almost surely, 2^2145835903 is an apocalyptic number.

2145835903 is a deficient number, since it is larger than the sum of its proper divisors (71681153).

2145835903 is an equidigital number, since it uses as much as digits as its factorization.

2145835903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76925.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 2145835903 is about 46323.1681019336. The cubic root of 2145835903 is about 1289.8290947995.

The spelling of 2145835903 in words is "two billion, one hundred forty-five million, eight hundred thirty-five thousand, nine hundred three".