181453472401350 has 48 divisors (see below), whose sum is σ = 450007268079888. Its totient is φ = 48387306992640.

The previous prime is 181453472401337. The next prime is 181453472401507. The reversal of 181453472401350 is 53104274354181.

It is a happy number.

It is a super-2 number, since 2×181453472401350² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 181453472401350.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22558762 + ... + 29526338.

It is an arithmetic number, because the mean of its divisors is an integer number (9375151418331).

Almost surely, 2^{181453472401350} is an apocalyptic number.

181453472401350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

181453472401350 is an abundant number, since it is smaller than the sum of its proper divisors (268553795678538).

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

181453472401350 is a wasteful number, since it uses less digits than its factorization.

181453472401350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141209 (or 7141204 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 181453472401350 in words is "one hundred eighty-one trillion, four hundred fifty-three billion, four hundred seventy-two million, four hundred one thousand, three hundred fifty".