154421450012 has 6 divisors (see below), whose sum is σ = 270237537528. Its totient is φ = 77210725004.

The previous prime is 154421449933. The next prime is 154421450033. The reversal of 154421450012 is 210054124451.

It is a happy number.

154421450012 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×154421450012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19302681248 + ... + 19302681255.

It is an arithmetic number, because the mean of its divisors is an integer number (45039589588).

Almost surely, 2^154421450012 is an apocalyptic number.

It is an amenable number.

154421450012 is a deficient number, since it is larger than the sum of its proper divisors (115816087516).

154421450012 is a wasteful number, since it uses less digits than its factorization.

154421450012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38605362507 (or 38605362505 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 154421450012 its reverse (210054124451), we get a palindrome (364475574463).

The spelling of 154421450012 in words is "one hundred fifty-four billion, four hundred twenty-one million, four hundred fifty thousand, twelve".