154539942 has 16 divisors (see below), whose sum is σ = 309208752. Its totient is φ = 51491840.

The previous prime is 154539937. The next prime is 154539953. The reversal of 154539942 is 249935451.

154539942 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 = 154539894 and 154539903.

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, 18142 + ... + 25262.

It is an arithmetic number, because the mean of its divisors is an integer number (19325547).

Almost surely, 2^154539942 is an apocalyptic number.

154539942 is an abundant number, since it is smaller than the sum of its proper divisors (154668810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154539942 is a wasteful number, since it uses less digits than its factorization.

154539942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10743.

The product of its digits is 194400, while the sum is 42.

The square root of 154539942 is about 12431.4094936978. The cubic root of 154539942 is about 536.6365492831.

The spelling of 154539942 in words is "one hundred fifty-four million, five hundred thirty-nine thousand, nine hundred forty-two".