42154967 has 4 divisors (see below), whose sum is σ = 42168696. Its totient is φ = 42141240.

The previous prime is 42154949. The next prime is 42154979. The reversal of 42154967 is 76945124.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42154967 - 2¹⁶ = 42089431 is a prime.

It is a super-3 number, since 3×42154967³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42154967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42154927) 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, 92 + ... + 9182.

It is an arithmetic number, because the mean of its divisors is an integer number (10542174).

Almost surely, 2^42154967 is an apocalyptic number.

42154967 is a deficient number, since it is larger than the sum of its proper divisors (13729).

42154967 is an equidigital number, since it uses as much as digits as its factorization.

42154967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13728.

The product of its digits is 60480, while the sum is 38.

The square root of 42154967 is about 6492.6856538724. The cubic root of 42154967 is about 348.0296551775.

The spelling of 42154967 in words is "forty-two million, one hundred fifty-four thousand, nine hundred sixty-seven".