42151558 has 8 divisors (see below), whose sum is σ = 65407680. Its totient is φ = 20349000.

The previous prime is 42151553. The next prime is 42151559. The reversal of 42151558 is 85515124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42151553) by changing a digit.

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, 363318 + ... + 363433.

It is an arithmetic number, because the mean of its divisors is an integer number (8175960).

Almost surely, 2^42151558 is an apocalyptic number.

42151558 is a deficient number, since it is larger than the sum of its proper divisors (23256122).

42151558 is a wasteful number, since it uses less digits than its factorization.

42151558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726782.

The product of its digits is 8000, while the sum is 31.

The square root of 42151558 is about 6492.4231223789. The cubic root of 42151558 is about 348.0202734038.

The spelling of 42151558 in words is "forty-two million, one hundred fifty-one thousand, five hundred fifty-eight".