142412691 has 8 divisors (see below), whose sum is σ = 190679040. Its totient is φ = 94544072.

The previous prime is 142412681. The next prime is 142412719. The reversal of 142412691 is 196214241.

142412691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 142412691 - 2²³ = 134024083 is a prime.

It is a super-2 number, since 2×142412691² = 40562749115722962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142412671) 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, 98595 + ... + 100028.

It is an arithmetic number, because the mean of its divisors is an integer number (23834880).

Almost surely, 2^142412691 is an apocalyptic number.

142412691 is a deficient number, since it is larger than the sum of its proper divisors (48266349).

142412691 is a wasteful number, since it uses less digits than its factorization.

142412691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198865.

The product of its digits is 3456, while the sum is 30.

The square root of 142412691 is about 11933.6788544019. The cubic root of 142412691 is about 522.2152669781.

The spelling of 142412691 in words is "one hundred forty-two million, four hundred twelve thousand, six hundred ninety-one".