210452145144402 has 64 divisors (see below), whose sum is σ = 485550558408960. Its totient is φ = 59564785065984.

The previous prime is 210452145144347. The next prime is 210452145144421. The reversal of 210452145144402 is 204441541254012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16474278 + ... + 26311710.

It is an arithmetic number, because the mean of its divisors is an integer number (7586727475140).

Almost surely, 2^{210452145144402} is an apocalyptic number.

210452145144402 is an abundant number, since it is smaller than the sum of its proper divisors (275098413264558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210452145144402 is a wasteful number, since it uses less digits than its factorization.

210452145144402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9842227.

The product of its (nonzero) digits is 204800, while the sum is 39.

Adding to 210452145144402 its reverse (204441541254012), we get a palindrome (414893686398414).

The spelling of 210452145144402 in words is "two hundred ten trillion, four hundred fifty-two billion, one hundred forty-five million, one hundred forty-four thousand, four hundred two".