154112243321 has 8 divisors (see below), whose sum is σ = 154869178464. Its totient is φ = 153356124960.

The previous prime is 154112243303. The next prime is 154112243353. The reversal of 154112243321 is 123342211451.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 154112243321 - 2²⁶ = 154045134457 is a prime.

It is a super-2 number, since 2×154112243321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154112243821) 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, 175826 + ... + 582356.

It is an arithmetic number, because the mean of its divisors is an integer number (19358647308).

Almost surely, 2^154112243321 is an apocalyptic number.

It is an amenable number.

154112243321 is a deficient number, since it is larger than the sum of its proper divisors (756935143).

154112243321 is a wasteful number, since it uses less digits than its factorization.

154112243321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408391.

The product of its digits is 5760, while the sum is 29.

Adding to 154112243321 its reverse (123342211451), we get a palindrome (277454454772).

The spelling of 154112243321 in words is "one hundred fifty-four billion, one hundred twelve million, two hundred forty-three thousand, three hundred twenty-one".