902145 has 16 divisors (see below), whose sum is σ = 1457280. Its totient is φ = 476544.

The previous prime is 902141. The next prime is 902179. The reversal of 902145 is 541209.

It is not a de Polignac number, because 902145 - 2² = 902141 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 902145.

It is not an unprimeable number, because it can be changed into a prime (902141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1836 + ... + 2274.

It is an arithmetic number, because the mean of its divisors is an integer number (91080).

It is a Proth number, since it is equal to 881 ⋅ 2¹⁰ + 1 and 881 < 2¹⁰.

2⁹⁰²¹⁴⁵ is an apocalyptic number.

It is an amenable number.

902145 is a deficient number, since it is larger than the sum of its proper divisors (555135).

902145 is a wasteful number, since it uses less digits than its factorization.

902145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 902145 is about 949.8131395175. The cubic root of 902145 is about 96.6255803728.

The spelling of 902145 in words is "nine hundred two thousand, one hundred forty-five".