42052154 has 8 divisors (see below), whose sum is σ = 63311808. Its totient is φ = 20948220.

The previous prime is 42052147. The next prime is 42052163. The reversal of 42052154 is 45125024.

It is a happy number.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38252 + ... + 39335.

It is an arithmetic number, because the mean of its divisors is an integer number (7913976).

Almost surely, 2^42052154 is an apocalyptic number.

42052154 is a deficient number, since it is larger than the sum of its proper divisors (21259654).

42052154 is a wasteful number, since it uses less digits than its factorization.

42052154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77860.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 42052154 is about 6484.7632184992. The cubic root of 42052154 is about 347.7464848904.

Adding to 42052154 its reverse (45125024), we get a palindrome (87177178).

The spelling of 42052154 in words is "forty-two million, fifty-two thousand, one hundred fifty-four".