154221004463 has 4 divisors (see below), whose sum is σ = 154362883200. Its totient is φ = 154079125728.

The previous prime is 154221004451. The next prime is 154221004501. The reversal of 154221004463 is 364400122451.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154221004463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154221004423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70937738 + ... + 70939911.

It is an arithmetic number, because the mean of its divisors is an integer number (38590720800).

Almost surely, 2^154221004463 is an apocalyptic number.

154221004463 is a deficient number, since it is larger than the sum of its proper divisors (141878737).

154221004463 is a wasteful number, since it uses less digits than its factorization.

154221004463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141878736.

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

The spelling of 154221004463 in words is "one hundred fifty-four billion, two hundred twenty-one million, four thousand, four hundred sixty-three".