42689151 has 12 divisors (see below), whose sum is σ = 62443680. Its totient is φ = 28098720.

The previous prime is 42689149. The next prime is 42689161. The reversal of 42689151 is 15198624.

42689151 is a `hidden beast` number, since 426 + 89 + 151 = 666.

It is not a de Polignac number, because 42689151 - 2¹ = 42689149 is a prime.

It is a super-3 number, since 3×42689151³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42689161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29310 + ... + 30731.

It is an arithmetic number, because the mean of its divisors is an integer number (5203640).

Almost surely, 2^42689151 is an apocalyptic number.

42689151 is a deficient number, since it is larger than the sum of its proper divisors (19754529).

42689151 is a wasteful number, since it uses less digits than its factorization.

42689151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60126 (or 60123 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 42689151 is about 6533.6935189830. The cubic root of 42689151 is about 349.4935559730.

The spelling of 42689151 in words is "forty-two million, six hundred eighty-nine thousand, one hundred fifty-one".