10401645 has 16 divisors (see below), whose sum is σ = 17519040. Its totient is φ = 5255424.

The previous prime is 10401619. The next prime is 10401649. The reversal of 10401645 is 54610401.

It is not a de Polignac number, because 10401645 - 2⁵ = 10401613 is a prime.

It is a super-3 number, since 3×10401645³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10401649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17964 + ... + 18533.

It is an arithmetic number, because the mean of its divisors is an integer number (1094940).

Almost surely, 2^10401645 is an apocalyptic number.

10401645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10401645 is a deficient number, since it is larger than the sum of its proper divisors (7117395).

10401645 is a wasteful number, since it uses less digits than its factorization.

10401645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36524.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 10401645 is about 3225.1581356578. The cubic root of 10401645 is about 218.2900846035.

The spelling of 10401645 in words is "ten million, four hundred one thousand, six hundred forty-five".