142474851 has 12 divisors (see below), whose sum is σ = 206339328. Its totient is φ = 94732944.

The previous prime is 142474847. The next prime is 142474873. The reversal of 142474851 is 158474241.

It is a happy number.

It is not a de Polignac number, because 142474851 - 2² = 142474847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142474151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17220 + ... + 24113.

It is an arithmetic number, because the mean of its divisors is an integer number (17194944).

Almost surely, 2^142474851 is an apocalyptic number.

142474851 is a deficient number, since it is larger than the sum of its proper divisors (63864477).

142474851 is a wasteful number, since it uses less digits than its factorization.

142474851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41722 (or 41719 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 142474851 is about 11936.2829641392. The cubic root of 142474851 is about 522.2912344102.

The spelling of 142474851 in words is "one hundred forty-two million, four hundred seventy-four thousand, eight hundred fifty-one".