2002154 has 16 divisors (see below), whose sum is σ = 3744576. Its totient is φ = 780000.

The previous prime is 2002151. The next prime is 2002157. The reversal of 2002154 is 4512002.

It is an interprime number because it is at equal distance from previous prime (2002151) and next prime (2002157).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (2002151) 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, 6347 + ... + 6654.

It is an arithmetic number, because the mean of its divisors is an integer number (234036).

2^2002154 is an apocalyptic number.

2002154 is a deficient number, since it is larger than the sum of its proper divisors (1742422).

2002154 is a wasteful number, since it uses less digits than its factorization.

2002154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13021.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2002154 is about 1414.9749114384. The cubic root of 2002154 is about 126.0373199269.

Adding to 2002154 its reverse (4512002), we get a palindrome (6514156).

The spelling of 2002154 in words is "two million, two thousand, one hundred fifty-four".