42169151 has 8 divisors (see below), whose sum is σ = 44455680. Its totient is φ = 39889368.

The previous prime is 42169139. The next prime is 42169177. The reversal of 42169151 is 15196124.

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

It is a cyclic number.

It is not a de Polignac number, because 42169151 - 2¹⁰ = 42168127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42169181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16010 + ... + 18456.

It is an arithmetic number, because the mean of its divisors is an integer number (5556960).

Almost surely, 2^42169151 is an apocalyptic number.

42169151 is a deficient number, since it is larger than the sum of its proper divisors (2286529).

42169151 is a wasteful number, since it uses less digits than its factorization.

42169151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373.

The product of its digits is 2160, while the sum is 29.

The square root of 42169151 is about 6493.7778680826. Note that the first 3 decimals coincide. The cubic root of 42169151 is about 348.0686849718.

The spelling of 42169151 in words is "forty-two million, one hundred sixty-nine thousand, one hundred fifty-one".