42456154 has 32 divisors (see below), whose sum is σ = 70519680. Its totient is φ = 19051200.

The previous prime is 42456151. The next prime is 42456187. The reversal of 42456154 is 45165424.

It is a happy number.

42456154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42456151) 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 15 ways as a sum of consecutive naturals, for example, 201109 + ... + 201319.

It is an arithmetic number, because the mean of its divisors is an integer number (2203740).

Almost surely, 2^42456154 is an apocalyptic number.

42456154 is a deficient number, since it is larger than the sum of its proper divisors (28063526).

42456154 is a wasteful number, since it uses less digits than its factorization.

42456154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its digits is 19200, while the sum is 31.

The square root of 42456154 is about 6515.8387027304. The cubic root of 42456154 is about 348.8565514194.

The spelling of 42456154 in words is "forty-two million, four hundred fifty-six thousand, one hundred fifty-four".