1402111645 has 16 divisors (see below), whose sum is σ = 1880262720. Its totient is φ = 994844800.

The previous prime is 1402111639. The next prime is 1402111651. The reversal of 1402111645 is 5461112041.

It is an interprime number because it is at equal distance from previous prime (1402111639) and next prime (1402111651).

It is not a de Polignac number, because 1402111645 - 2¹⁵ = 1402078877 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, 308635 + ... + 313144.

It is an arithmetic number, because the mean of its divisors is an integer number (117516420).

Almost surely, 2^1402111645 is an apocalyptic number.

It is an amenable number.

1402111645 is a deficient number, since it is larger than the sum of its proper divisors (478151075).

1402111645 is a wasteful number, since it uses less digits than its factorization.

1402111645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621836.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1402111645 is about 37444.7812785707. The cubic root of 1402111645 is about 1119.2511057049.

Adding to 1402111645 its reverse (5461112041), we get a palindrome (6863223686).

The spelling of 1402111645 in words is "one billion, four hundred two million, one hundred eleven thousand, six hundred forty-five".