154543642 has 16 divisors (see below), whose sum is σ = 253160352. Its totient is φ = 70171920.

The previous prime is 154543621. The next prime is 154543673. The reversal of 154543642 is 246345451.

154543642 is digitally balanced in base 3, 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 = 154543598 and 154543607.

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, 20833 + ... + 27259.

It is an arithmetic number, because the mean of its divisors is an integer number (15822522).

Almost surely, 2^154543642 is an apocalyptic number.

154543642 is a deficient number, since it is larger than the sum of its proper divisors (98616710).

154543642 is a wasteful number, since it uses less digits than its factorization.

154543642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7533.

The product of its digits is 57600, while the sum is 34.

The square root of 154543642 is about 12431.5583093995. The cubic root of 154543642 is about 536.6408319718.

The spelling of 154543642 in words is "one hundred fifty-four million, five hundred forty-three thousand, six hundred forty-two".