154221543362 has 16 divisors (see below), whose sum is σ = 241400682432. Its totient is φ = 73754939280.

The previous prime is 154221543361. The next prime is 154221543409. The reversal of 154221543362 is 263345122451.

It is not an unprimeable number, because it can be changed into a prime (154221543361) 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, 1269812 + ... + 1385952.

It is an arithmetic number, because the mean of its divisors is an integer number (15087542652).

Almost surely, 2^154221543362 is an apocalyptic number.

154221543362 is a deficient number, since it is larger than the sum of its proper divisors (87179139070).

154221543362 is a wasteful number, since it uses less digits than its factorization.

154221543362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145033.

The product of its digits is 172800, while the sum is 38.

The spelling of 154221543362 in words is "one hundred fifty-four billion, two hundred twenty-one million, five hundred forty-three thousand, three hundred sixty-two".