901145 has 8 divisors (see below), whose sum is σ = 1235904. Its totient is φ = 617904.

The previous prime is 901141. The next prime is 901169. The reversal of 901145 is 541109.

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

It is not a de Polignac number, because 901145 - 2² = 901141 is a prime.

It is a super-2 number, since 2×901145² = 1624124622050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (901141) 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, 12839 + ... + 12908.

It is an arithmetic number, because the mean of its divisors is an integer number (154488).

2⁹⁰¹¹⁴⁵ is an apocalyptic number.

It is an amenable number.

901145 is a deficient number, since it is larger than the sum of its proper divisors (334759).

901145 is a wasteful number, since it uses less digits than its factorization.

901145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25759.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 901145 is about 949.2865742230. The cubic root of 901145 is about 96.5898650113.

The spelling of 901145 in words is "nine hundred one thousand, one hundred forty-five".