42145086 has 8 divisors (see below), whose sum is σ = 84290184. Its totient is φ = 14048360.

The previous prime is 42145073. The next prime is 42145099. The reversal of 42145086 is 68054124.

It is an interprime number because it is at equal distance from previous prime (42145073) and next prime (42145099).

It is a sphenic number, since it is the product of 3 distinct primes.

42145086 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3512085 + ... + 3512096.

It is an arithmetic number, because the mean of its divisors is an integer number (10536273).

Almost surely, 2^42145086 is an apocalyptic number.

42145086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42145086 is a wasteful number, since it uses less digits than its factorization.

42145086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7024186.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 42145086 is about 6491.9246760880. The cubic root of 42145086 is about 348.0024606775.

The spelling of 42145086 in words is "forty-two million, one hundred forty-five thousand, eighty-six".