210145534050 has 96 divisors (see below), whose sum is σ = 546826250880. Its totient is φ = 53306035200.

The previous prime is 210145534033. The next prime is 210145534057. The reversal of 210145534050 is 50435541012.

It is a super-2 number, since 2×210145534050² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 210145533999 and 210145534017.

It is not an unprimeable number, because it can be changed into a prime (210145534057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 456186 + ... + 792714.

It is an arithmetic number, because the mean of its divisors is an integer number (5696106780).

Almost surely, 2^210145534050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210145534050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273413125440).

210145534050 is an abundant number, since it is smaller than the sum of its proper divisors (336680716830).

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

210145534050 is a wasteful number, since it uses less digits than its factorization.

210145534050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336748 (or 336743 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 210145534050 in words is "two hundred ten billion, one hundred forty-five million, five hundred thirty-four thousand, fifty".