154279442 has 8 divisors (see below), whose sum is σ = 236801136. Its totient is φ = 75345732.

The previous prime is 154279439. The next prime is 154279459. The reversal of 154279442 is 244972451.

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

It is a junction number, because it is equal to n+sod(n) for n = 154279396 and 154279405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896888 + ... + 897059.

It is an arithmetic number, because the mean of its divisors is an integer number (29600142).

Almost surely, 2^154279442 is an apocalyptic number.

154279442 is a deficient number, since it is larger than the sum of its proper divisors (82521694).

154279442 is a wasteful number, since it uses less digits than its factorization.

154279442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793992.

The product of its digits is 80640, while the sum is 38.

The square root of 154279442 is about 12420.9275821092. The cubic root of 154279442 is about 536.3348528616.

The spelling of 154279442 in words is "one hundred fifty-four million, two hundred seventy-nine thousand, four hundred forty-two".