42845430 has 32 divisors (see below), whose sum is σ = 104073984. Its totient is φ = 11287136.

The previous prime is 42845417. The next prime is 42845471. The reversal of 42845430 is 3454824.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6114 + ... + 11093.

It is an arithmetic number, because the mean of its divisors is an integer number (3252312).

Almost surely, 2^42845430 is an apocalyptic number.

42845430 is an abundant number, since it is smaller than the sum of its proper divisors (61228554).

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

42845430 is a wasteful number, since it uses less digits than its factorization.

42845430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17300.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 42845430 is about 6545.6420617079. The cubic root of 42845430 is about 349.9195189101.

The spelling of 42845430 in words is "forty-two million, eight hundred forty-five thousand, four hundred thirty".