42315450 has 24 divisors (see below), whose sum is σ = 104942688. Its totient is φ = 11284080.

The previous prime is 42315433. The next prime is 42315487. The reversal of 42315450 is 5451324.

It is a self number, because there is not a number n which added to its sum of digits gives 42315450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140902 + ... + 141201.

It is an arithmetic number, because the mean of its divisors is an integer number (4372612).

Almost surely, 2^42315450 is an apocalyptic number.

42315450 is an abundant number, since it is smaller than the sum of its proper divisors (62627238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42315450 is a wasteful number, since it uses less digits than its factorization.

42315450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282118 (or 282113 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 42315450 is about 6505.0326670971. The cubic root of 42315450 is about 348.4707429054.

Adding to 42315450 its reverse (5451324), we get a palindrome (47766774).

The spelling of 42315450 in words is "forty-two million, three hundred fifteen thousand, four hundred fifty".