42150451 has 8 divisors (see below), whose sum is σ = 48962144. Its totient is φ = 35536320.

The previous prime is 42150439. The next prime is 42150457. The reversal of 42150451 is 15405124.

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 42150451 - 2⁷ = 42150323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42150457) 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 7 ways as a sum of consecutive naturals, for example, 48930 + ... + 49783.

It is an arithmetic number, because the mean of its divisors is an integer number (6120268).

Almost surely, 2^42150451 is an apocalyptic number.

42150451 is a deficient number, since it is larger than the sum of its proper divisors (6811693).

42150451 is an equidigital number, since it uses as much as digits as its factorization.

42150451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98781.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 42150451 is about 6492.3378685956. The cubic root of 42150451 is about 348.0172267643.

Adding to 42150451 its reverse (15405124), we get a palindrome (57555575).

The spelling of 42150451 in words is "forty-two million, one hundred fifty thousand, four hundred fifty-one".