42192315 has 24 divisors (see below), whose sum is σ = 79782768. Its totient is φ = 20456640.

The previous prime is 42192313. The next prime is 42192329. The reversal of 42192315 is 51329124.

42192315 is a `hidden beast` number, since 421 + 9 + 231 + 5 = 666.

It is not a de Polignac number, because 42192315 - 2¹ = 42192313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42192313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42124 + ... + 43113.

It is an arithmetic number, because the mean of its divisors is an integer number (3324282).

Almost surely, 2^42192315 is an apocalyptic number.

42192315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42192315 is a deficient number, since it is larger than the sum of its proper divisors (37590453).

42192315 is a wasteful number, since it uses less digits than its factorization.

42192315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85259 (or 85256 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 42192315 is about 6495.5611766806. The cubic root of 42192315 is about 348.1324060173.

The spelling of 42192315 in words is "forty-two million, one hundred ninety-two thousand, three hundred fifteen".