154156342 has 8 divisors (see below), whose sum is σ = 231678216. Its totient is φ = 76930272.

The previous prime is 154156339. The next prime is 154156349. The reversal of 154156342 is 243651451.

It is a happy number.

154156342 is digitally balanced in base 3, 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (154156349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72643 + ... + 74734.

It is an arithmetic number, because the mean of its divisors is an integer number (28959777).

Almost surely, 2^154156342 is an apocalyptic number.

154156342 is a deficient number, since it is larger than the sum of its proper divisors (77521874).

154156342 is a wasteful number, since it uses less digits than its factorization.

154156342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147902.

The product of its digits is 14400, while the sum is 31.

The square root of 154156342 is about 12415.9712467451. The cubic root of 154156342 is about 536.1921672100.

The spelling of 154156342 in words is "one hundred fifty-four million, one hundred fifty-six thousand, three hundred forty-two".