154169242 has 8 divisors (see below), whose sum is σ = 235173600. Its totient is φ = 75778044.

The previous prime is 154169227. The next prime is 154169261. The reversal of 154169242 is 242961451.

154169242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×154169242⁴ (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154169198 and 154169207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653142 + ... + 653377.

It is an arithmetic number, because the mean of its divisors is an integer number (29396700).

Almost surely, 2^154169242 is an apocalyptic number.

154169242 is a deficient number, since it is larger than the sum of its proper divisors (81004358).

154169242 is a wasteful number, since it uses less digits than its factorization.

154169242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306580.

The product of its digits is 17280, while the sum is 34.

The square root of 154169242 is about 12416.4907280600. The cubic root of 154169242 is about 536.2071232084.

The spelling of 154169242 in words is "one hundred fifty-four million, one hundred sixty-nine thousand, two hundred forty-two".