154127242 has 8 divisors (see below), whose sum is σ = 231246432. Its totient is φ = 77045100.

The previous prime is 154127189. The next prime is 154127251. The reversal of 154127242 is 242721451.

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

It is a self number, because there is not a number n which added to its sum of digits gives 154127242.

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, 6517 + ... + 18727.

It is an arithmetic number, because the mean of its divisors is an integer number (28905804).

Almost surely, 2^154127242 is an apocalyptic number.

154127242 is a deficient number, since it is larger than the sum of its proper divisors (77119190).

154127242 is a wasteful number, since it uses less digits than its factorization.

154127242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18524.

The product of its digits is 4480, while the sum is 28.

The square root of 154127242 is about 12414.7993137223. The cubic root of 154127242 is about 536.1584261958.

Adding to 154127242 its reverse (242721451), we get a palindrome (396848693).

The spelling of 154127242 in words is "one hundred fifty-four million, one hundred twenty-seven thousand, two hundred forty-two".