2146003405 has 48 divisors (see below), whose sum is σ = 3197867904. Its totient is φ = 1353680640.

The previous prime is 2146003399. The next prime is 2146003421. The reversal of 2146003405 is 5043006412.

It is not a de Polignac number, because 2146003405 - 2³ = 2146003397 is a prime.

It is a super-2 number, since 2×2146003405² = 9210661228543188050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2146003405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2726422 + ... + 2727208.

It is an arithmetic number, because the mean of its divisors is an integer number (66622248).

Almost surely, 2^2146003405 is an apocalyptic number.

It is an amenable number.

2146003405 is a deficient number, since it is larger than the sum of its proper divisors (1051864499).

2146003405 is a wasteful number, since it uses less digits than its factorization.

2146003405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2146003405 is about 46324.9760388497. The cubic root of 2146003405 is about 1289.8626548886.

Adding to 2146003405 its reverse (5043006412), we get a palindrome (7189009817).

The spelling of 2146003405 in words is "two billion, one hundred forty-six million, three thousand, four hundred five".