45102020400002 has 8 divisors (see below), whose sum is σ = 67653343658316. Its totient is φ = 22550905847232.

The previous prime is 45102020399999. The next prime is 45102020400029. The reversal of 45102020400002 is 20000402020154.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40269317247721 + 4832703152281 = 6345811^2 + 2198341^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 51635003 + ... + 52501214.

Almost surely, 2^{45102020400002} is an apocalyptic number.

45102020400002 is a deficient number, since it is larger than the sum of its proper divisors (22551323258314).

45102020400002 is a wasteful number, since it uses less digits than its factorization.

45102020400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104352772.

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 45102020400002 its reverse (20000402020154), we get a palindrome (65102422420156).

The spelling of 45102020400002 in words is "forty-five trillion, one hundred two billion, twenty million, four hundred thousand, two".