42145176 has 64 divisors (see below), whose sum is σ = 113724000. Its totient is φ = 12965888.

The previous prime is 42145153. The next prime is 42145241. The reversal of 42145176 is 67154124.

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, 20650 + ... + 22598.

Almost surely, 2^42145176 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 42145176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56862000).

42145176 is an abundant number, since it is smaller than the sum of its proper divisors (71578824).

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

42145176 is a wasteful number, since it uses less digits than its factorization.

42145176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028 (or 2024 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 42145176 is about 6491.9316077728. The cubic root of 42145176 is about 348.0027083948.

The spelling of 42145176 in words is "forty-two million, one hundred forty-five thousand, one hundred seventy-six".