142405113 has 8 divisors (see below), whose sum is σ = 191039008. Its totient is φ = 94353984.

The previous prime is 142405099. The next prime is 142405127. The reversal of 142405113 is 311504241.

It is an interprime number because it is at equal distance from previous prime (142405099) and next prime (142405127).

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

It is not a de Polignac number, because 142405113 - 2¹³ = 142396921 is a prime.

It is a super-3 number, since 3×142405113³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142405113.

It is not an unprimeable number, because it can be changed into a prime (142400113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145120 + ... + 146097.

It is an arithmetic number, because the mean of its divisors is an integer number (23879876).

Almost surely, 2^142405113 is an apocalyptic number.

It is an amenable number.

142405113 is a deficient number, since it is larger than the sum of its proper divisors (48633895).

142405113 is a wasteful number, since it uses less digits than its factorization.

142405113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291383.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 142405113 is about 11933.3613454047. The cubic root of 142405113 is about 522.2060041859.

Adding to 142405113 its reverse (311504241), we get a palindrome (453909354).

The spelling of 142405113 in words is "one hundred forty-two million, four hundred five thousand, one hundred thirteen".