154905842 has 16 divisors (see below), whose sum is σ = 285980352. Its totient is φ = 61281360.

The previous prime is 154905833. The next prime is 154905847. The reversal of 154905842 is 248509451.

It is a junction number, because it is equal to n+sod(n) for n = 154905796 and 154905805.

It is not an unprimeable number, because it can be changed into a prime (154905847) 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, 425384 + ... + 425747.

It is an arithmetic number, because the mean of its divisors is an integer number (17873772).

Almost surely, 2^154905842 is an apocalyptic number.

154905842 is a deficient number, since it is larger than the sum of its proper divisors (131074510).

154905842 is a wasteful number, since it uses less digits than its factorization.

154905842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851153.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 154905842 is about 12446.1175472514. The cubic root of 154905842 is about 537.0597420319.

The spelling of 154905842 in words is "one hundred fifty-four million, nine hundred five thousand, eight hundred forty-two".