42845292 has 36 divisors (see below), whose sum is σ = 123776016. Its totient is φ = 12241440.

The previous prime is 42845281. The next prime is 42845293. The reversal of 42845292 is 29254824.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42845293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84759 + ... + 85262.

Almost surely, 2^42845292 is an apocalyptic number.

42845292 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42845292 is an abundant number, since it is smaller than the sum of its proper divisors (80930724).

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

42845292 is a wasteful number, since it uses less digits than its factorization.

42845292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170038 (or 170033 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 42845292 is about 6545.6315203348. The cubic root of 42845292 is about 349.9191432267.

The spelling of 42845292 in words is "forty-two million, eight hundred forty-five thousand, two hundred ninety-two".