142461386 has 4 divisors (see below), whose sum is σ = 213692082. Its totient is φ = 71230692.

The previous prime is 142461383. The next prime is 142461391. The reversal of 142461386 is 683164241.

142461386 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 683164241 = 2683 ⋅254627.

It can be written as a sum of positive squares in only one way, i.e., 142444225 + 17161 = 11935^2 + 131^2 .

It is not an unprimeable number, because it can be changed into a prime (142461383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35615345 + ... + 35615348.

Almost surely, 2^142461386 is an apocalyptic number.

142461386 is a deficient number, since it is larger than the sum of its proper divisors (71230696).

142461386 is an equidigital number, since it uses as much as digits as its factorization.

142461386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71230695.

The product of its digits is 27648, while the sum is 35.

The square root of 142461386 is about 11935.7189142506. The cubic root of 142461386 is about 522.2747803414.

The spelling of 142461386 in words is "one hundred forty-two million, four hundred sixty-one thousand, three hundred eighty-six".