154874142 has 12 divisors (see below), whose sum is σ = 335560680. Its totient is φ = 51624708.

The previous prime is 154874117. The next prime is 154874143. The reversal of 154874142 is 241478451.

It is a happy number.

154874142 is a `hidden beast` number, since 1 + 548 + 74 + 1 + 42 = 666.

154874142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 154874097 and 154874106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154874143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4302042 + ... + 4302077.

It is an arithmetic number, because the mean of its divisors is an integer number (27963390).

Almost surely, 2^154874142 is an apocalyptic number.

154874142 is an abundant number, since it is smaller than the sum of its proper divisors (180686538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154874142 is a wasteful number, since it uses less digits than its factorization.

154874142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8604127 (or 8604124 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 154874142 is about 12444.8439925939. The cubic root of 154874142 is about 537.0231048182.

The spelling of 154874142 in words is "one hundred fifty-four million, eight hundred seventy-four thousand, one hundred forty-two".