147881442 has 8 divisors (see below), whose sum is σ = 295762896. Its totient is φ = 49293812.

The previous prime is 147881431. The next prime is 147881471. The reversal of 147881442 is 244188741.

147881442 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.

147881442 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 147881442.

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, 12323448 + ... + 12323459.

It is an arithmetic number, because the mean of its divisors is an integer number (36970362).

Almost surely, 2^147881442 is an apocalyptic number.

147881442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147881442 is a wasteful number, since it uses less digits than its factorization.

147881442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24646912.

The product of its digits is 57344, while the sum is 39.

The square root of 147881442 is about 12160.6513805799. The cubic root of 147881442 is about 528.8159660390.

The spelling of 147881442 in words is "one hundred forty-seven million, eight hundred eighty-one thousand, four hundred forty-two".