10402045 has 16 divisors (see below), whose sum is σ = 13471920. Its totient is φ = 7681024.

The previous prime is 10402037. The next prime is 10402061. The reversal of 10402045 is 54020401.

It can be written as a sum of positive squares in 8 ways, for example, as 1390041 + 9012004 = 1179^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 10402045 - 2³ = 10402037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3351 + ... + 5659.

It is an arithmetic number, because the mean of its divisors is an integer number (841995).

Almost surely, 2^10402045 is an apocalyptic number.

It is an amenable number.

10402045 is a deficient number, since it is larger than the sum of its proper divisors (3069875).

10402045 is a wasteful number, since it uses less digits than its factorization.

10402045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 10402045 is about 3225.2201475248. The cubic root of 10402045 is about 218.2928827159.

Adding to 10402045 its reverse (54020401), we get a palindrome (64422446).

The spelling of 10402045 in words is "ten million, four hundred two thousand, forty-five".