142415347 has 4 divisors (see below), whose sum is σ = 142724736. Its totient is φ = 142105960.

The previous prime is 142415327. The next prime is 142415363. The reversal of 142415347 is 743514241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142415347 - 2¹⁵ = 142382579 is a prime.

It is a super-2 number, since 2×142415347² = 40564262122260818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142415327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154003 + ... + 154924.

It is an arithmetic number, because the mean of its divisors is an integer number (35681184).

Almost surely, 2^142415347 is an apocalyptic number.

142415347 is a deficient number, since it is larger than the sum of its proper divisors (309389).

142415347 is an equidigital number, since it uses as much as digits as its factorization.

142415347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309388.

The product of its digits is 13440, while the sum is 31.

The square root of 142415347 is about 11933.7901355772. The cubic root of 142415347 is about 522.2185134002.

Adding to 142415347 its reverse (743514241), we get a palindrome (885929588).

The spelling of 142415347 in words is "one hundred forty-two million, four hundred fifteen thousand, three hundred forty-seven".