42146892 has 72 divisors (see below), whose sum is σ = 111663552. Its totient is φ = 13899600.

The previous prime is 42146861. The next prime is 42146903. The reversal of 42146892 is 29864124.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127167 + ... + 127497.

Almost surely, 2^42146892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42146892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55831776).

42146892 is an abundant number, since it is smaller than the sum of its proper divisors (69516660).

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

42146892 is a wasteful number, since it uses less digits than its factorization.

42146892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 467 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 42146892 is about 6492.0637704816. The cubic root of 42146892 is about 348.0074314703.

The spelling of 42146892 in words is "forty-two million, one hundred forty-six thousand, eight hundred ninety-two".