154222245321 has 8 divisors (see below), whose sum is σ = 205643037600. Its totient is φ = 102808141632.

The previous prime is 154222245259. The next prime is 154222245329. The reversal of 154222245321 is 123542222451.

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

It is not a de Polignac number, because 154222245321 - 2⁹ = 154222244809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154222245329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1618096 + ... + 1710753.

It is an arithmetic number, because the mean of its divisors is an integer number (25705379700).

Almost surely, 2^154222245321 is an apocalyptic number.

It is an amenable number.

154222245321 is a deficient number, since it is larger than the sum of its proper divisors (51420792279).

154222245321 is a wasteful number, since it uses less digits than its factorization.

154222245321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344295.

The product of its digits is 38400, while the sum is 33.

Adding to 154222245321 its reverse (123542222451), we get a palindrome (277764467772).

The spelling of 154222245321 in words is "one hundred fifty-four billion, two hundred twenty-two million, two hundred forty-five thousand, three hundred twenty-one".