147881641 has 8 divisors (see below), whose sum is σ = 149701664. Its totient is φ = 146067840.

The previous prime is 147881633. The next prime is 147881653. The reversal of 147881641 is 146188741.

147881641 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 147881641 - 2³ = 147881633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147881594 and 147881603.

It is not an unprimeable number, because it can be changed into a prime (147882641) 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, 61186 + ... + 63556.

It is an arithmetic number, because the mean of its divisors is an integer number (18712708).

Almost surely, 2^147881641 is an apocalyptic number.

It is an amenable number.

147881641 is a deficient number, since it is larger than the sum of its proper divisors (1820023).

147881641 is an equidigital number, since it uses as much as digits as its factorization.

147881641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111.

The product of its digits is 43008, while the sum is 40.

The square root of 147881641 is about 12160.6595627046. The cubic root of 147881641 is about 528.8162032432.

The spelling of 147881641 in words is "one hundred forty-seven million, eight hundred eighty-one thousand, six hundred forty-one".