1402045 has 4 divisors (see below), whose sum is σ = 1682460. Its totient is φ = 1121632.

The previous prime is 1402031. The next prime is 1402061. The reversal of 1402045 is 5402041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 205209 + 1196836 = 453^2 + 1094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402045 is a prime.

1402045 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140200 + ... + 140209.

It is an arithmetic number, because the mean of its divisors is an integer number (420615).

2^1402045 is an apocalyptic number.

It is an amenable number.

1402045 is a deficient number, since it is larger than the sum of its proper divisors (280415).

1402045 is an equidigital number, since it uses as much as digits as its factorization.

1402045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280414.

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

The square root of 1402045 is about 1184.0798114992. The cubic root of 1402045 is about 111.9233372055.

Adding to 1402045 its reverse (5402041), we get a palindrome (6804086).

The spelling of 1402045 in words is "one million, four hundred two thousand, forty-five".