42147315 has 24 divisors (see below), whose sum is σ = 83492448. Its totient is φ = 19267200.

The previous prime is 42147311. The next prime is 42147319. The reversal of 42147315 is 51374124.

It is an interprime number because it is at equal distance from previous prime (42147311) and next prime (42147319).

It is not a de Polignac number, because 42147315 - 2² = 42147311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42147311) 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, 66586 + ... + 67215.

It is an arithmetic number, because the mean of its divisors is an integer number (3478852).

Almost surely, 2^42147315 is an apocalyptic number.

42147315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42147315 is a deficient number, since it is larger than the sum of its proper divisors (41345133).

42147315 is a wasteful number, since it uses less digits than its factorization.

42147315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133819 (or 133816 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 42147315 is about 6492.0963486381. The cubic root of 42147315 is about 348.0085957052.

The spelling of 42147315 in words is "forty-two million, one hundred forty-seven thousand, three hundred fifteen".