1402322645 has 16 divisors (see below), whose sum is σ = 1772720640. Its totient is φ = 1061993664.

The previous prime is 1402322609. The next prime is 1402322653. The reversal of 1402322645 is 5462232041.

It is a cyclic number.

It is not a de Polignac number, because 1402322645 - 2¹⁴ = 1402306261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136892 + ... + 146778.

It is an arithmetic number, because the mean of its divisors is an integer number (110795040).

Almost surely, 2^1402322645 is an apocalyptic number.

It is an amenable number.

1402322645 is a deficient number, since it is larger than the sum of its proper divisors (370397995).

1402322645 is a wasteful number, since it uses less digits than its factorization.

1402322645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11404.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1402322645 is about 37447.5986546534. The cubic root of 1402322645 is about 1119.3072472489.

Adding to 1402322645 its reverse (5462232041), we get a palindrome (6864554686).

The spelling of 1402322645 in words is "one billion, four hundred two million, three hundred twenty-two thousand, six hundred forty-five".