901281345 has 32 divisors (see below), whose sum is σ = 1470873600. Its totient is φ = 471125184.

The previous prime is 901281341. The next prime is 901281361. The reversal of 901281345 is 543182109.

901281345 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 901281345 - 2² = 901281341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (901281341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337626 + ... + 340284.

It is an arithmetic number, because the mean of its divisors is an integer number (45964800).

Almost surely, 2^901281345 is an apocalyptic number.

It is an amenable number.

901281345 is a deficient number, since it is larger than the sum of its proper divisors (569592255).

901281345 is a wasteful number, since it uses less digits than its factorization.

901281345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 901281345 is about 30021.3481542718. The cubic root of 901281345 is about 965.9473617739.

The spelling of 901281345 in words is "nine hundred one million, two hundred eighty-one thousand, three hundred forty-five".