1402634545 has 8 divisors (see below), whose sum is σ = 1812635496. Its totient is φ = 1035791616.

The previous prime is 1402634531. The next prime is 1402634551. The reversal of 1402634545 is 5454362041.

It can be written as a sum of positive squares in 4 ways, for example, as 22363441 + 1380271104 = 4729^2 + 37152^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1402634545 - 2¹⁹ = 1402110257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1402634545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10789432 + ... + 10789561.

It is an arithmetic number, because the mean of its divisors is an integer number (226579437).

Almost surely, 2^1402634545 is an apocalyptic number.

It is an amenable number.

1402634545 is a deficient number, since it is larger than the sum of its proper divisors (410000951).

1402634545 is a wasteful number, since it uses less digits than its factorization.

1402634545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21579011.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 1402634545 is about 37451.7629091075. The cubic root of 1402634545 is about 1119.3902253120.

Adding to 1402634545 its reverse (5454362041), we get a palindrome (6856996586).

The spelling of 1402634545 in words is "one billion, four hundred two million, six hundred thirty-four thousand, five hundred forty-five".