147421142 has 8 divisors (see below), whose sum is σ = 241234632. Its totient is φ = 67009600.

The previous prime is 147421139. The next prime is 147421217. The reversal of 147421142 is 241124741.

147421142 is digitally balanced in base 3, 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3350459 + ... + 3350502.

It is an arithmetic number, because the mean of its divisors is an integer number (30154329).

Almost surely, 2^147421142 is an apocalyptic number.

147421142 is a deficient number, since it is larger than the sum of its proper divisors (93813490).

147421142 is a wasteful number, since it uses less digits than its factorization.

147421142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700974.

The product of its digits is 1792, while the sum is 26.

The square root of 147421142 is about 12141.7108349689. The cubic root of 147421142 is about 528.2667265582.

Adding to 147421142 its reverse (241124741), we get a palindrome (388545883).

The spelling of 147421142 in words is "one hundred forty-seven million, four hundred twenty-one thousand, one hundred forty-two".