154554142 has 8 divisors (see below), whose sum is σ = 236763936. Its totient is φ = 75632832.

The previous prime is 154554131. The next prime is 154554173. The reversal of 154554142 is 241455451.

It is a happy number.

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

It is a congruent number.

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, 822003 + ... + 822190.

It is an arithmetic number, because the mean of its divisors is an integer number (29595492).

Almost surely, 2^154554142 is an apocalyptic number.

154554142 is a deficient number, since it is larger than the sum of its proper divisors (82209794).

154554142 is a wasteful number, since it uses less digits than its factorization.

154554142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644242.

The product of its digits is 16000, while the sum is 31.

The square root of 154554142 is about 12431.9806145280. The cubic root of 154554142 is about 536.6529851756.

The spelling of 154554142 in words is "one hundred fifty-four million, five hundred fifty-four thousand, one hundred forty-two".