20154230345 has 8 divisors (see below), whose sum is σ = 24186314880. Its totient is φ = 16122558640.

The previous prime is 20154230323. The next prime is 20154230377. The reversal of 20154230345 is 54303245102.

It is a happy number.

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

It is not a de Polignac number, because 20154230345 - 2¹⁰ = 20154229321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16910 + ... + 201480.

It is an arithmetic number, because the mean of its divisors is an integer number (3023289360).

Almost surely, 2^20154230345 is an apocalyptic number.

It is an amenable number.

20154230345 is a deficient number, since it is larger than the sum of its proper divisors (4032084535).

20154230345 is a wasteful number, since it uses less digits than its factorization.

20154230345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206415.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 20154230345 its reverse (54303245102), we get a palindrome (74457475447).

The spelling of 20154230345 in words is "twenty billion, one hundred fifty-four million, two hundred thirty thousand, three hundred forty-five".