161445240230 has 8 divisors (see below), whose sum is σ = 290601432432. Its totient is φ = 64578096088.

The previous prime is 161445240223. The next prime is 161445240361. The reversal of 161445240230 is 32042544161.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8072262002 + ... + 8072262021.

It is an arithmetic number, because the mean of its divisors is an integer number (36325179054).

Almost surely, 2^161445240230 is an apocalyptic number.

161445240230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161445240230 is a deficient number, since it is larger than the sum of its proper divisors (129156192202).

161445240230 is a wasteful number, since it uses less digits than its factorization.

161445240230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16144524030.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 161445240230 its reverse (32042544161), we get a palindrome (193487784391).

The spelling of 161445240230 in words is "one hundred sixty-one billion, four hundred forty-five million, two hundred forty thousand, two hundred thirty".