154221650254 has 16 divisors (see below), whose sum is σ = 265137516000. Its totient is φ = 65905606944.

The previous prime is 154221650239. The next prime is 154221650263. The reversal of 154221650254 is 452056122451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15777109 + ... + 15786880.

It is an arithmetic number, because the mean of its divisors is an integer number (16571094750).

Almost surely, 2^154221650254 is an apocalyptic number.

154221650254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

154221650254 is a deficient number, since it is larger than the sum of its proper divisors (110915865746).

154221650254 is a wasteful number, since it uses less digits than its factorization.

154221650254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31564347.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 154221650254 in words is "one hundred fifty-four billion, two hundred twenty-one million, six hundred fifty thousand, two hundred fifty-four".