154420372642 has 16 divisors (see below), whose sum is σ = 233503276032. Its totient is φ = 76586202000.

The previous prime is 154420372573. The next prime is 154420372669. The reversal of 154420372642 is 246273024451.

154420372642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 154420372595 and 154420372604.

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 in 7 ways as a sum of consecutive naturals, for example, 1202017 + ... + 1324267.

It is an arithmetic number, because the mean of its divisors is an integer number (14593954752).

Almost surely, 2^154420372642 is an apocalyptic number.

154420372642 is a deficient number, since it is larger than the sum of its proper divisors (79082903390).

154420372642 is a wasteful number, since it uses less digits than its factorization.

154420372642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127353.

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 154420372642 in words is "one hundred fifty-four billion, four hundred twenty million, three hundred seventy-two thousand, six hundred forty-two".