142405414 has 4 divisors (see below), whose sum is σ = 213608124. Its totient is φ = 71202706.

The previous prime is 142405411. The next prime is 142405421. The reversal of 142405414 is 414504241.

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

It is a super-2 number, since 2×142405414² = 40558603873022792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142405411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35601352 + ... + 35601355.

It is an arithmetic number, because the mean of its divisors is an integer number (53402031).

Almost surely, 2^142405414 is an apocalyptic number.

142405414 is a deficient number, since it is larger than the sum of its proper divisors (71202710).

142405414 is an equidigital number, since it uses as much as digits as its factorization.

142405414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71202709.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 142405414 is about 11933.3739571003. The cubic root of 142405414 is about 522.2063721125.

Adding to 142405414 its reverse (414504241), we get a palindrome (556909655).

The spelling of 142405414 in words is "one hundred forty-two million, four hundred five thousand, four hundred fourteen".