154458042 has 8 divisors (see below), whose sum is σ = 308916096. Its totient is φ = 51486012.

The previous prime is 154458037. The next prime is 154458043. The reversal of 154458042 is 240854451.

It is a happy number.

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

154458042 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 154457994 and 154458012.

It is not an unprimeable number, because it can be changed into a prime (154458043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12871498 + ... + 12871509.

It is an arithmetic number, because the mean of its divisors is an integer number (38614512).

Almost surely, 2^154458042 is an apocalyptic number.

154458042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

154458042 is a wasteful number, since it uses less digits than its factorization.

154458042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25743012.

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 154458042 is about 12428.1149817661. The cubic root of 154458042 is about 536.5417338822.

The spelling of 154458042 in words is "one hundred fifty-four million, four hundred fifty-eight thousand, forty-two".