147229481 has 8 divisors (see below), whose sum is σ = 168337344. Its totient is φ = 126140400.

The previous prime is 147229457. The next prime is 147229487. The reversal of 147229481 is 184922741.

It is a happy number.

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 147229481 - 2²² = 143035177 is a prime.

It is a super-2 number, since 2×147229481² = 43353040151058722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147229487) 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, 23066 + ... + 28748.

It is an arithmetic number, because the mean of its divisors is an integer number (21042168).

Almost surely, 2^147229481 is an apocalyptic number.

It is an amenable number.

147229481 is a deficient number, since it is larger than the sum of its proper divisors (21107863).

147229481 is an equidigital number, since it uses as much as digits as its factorization.

147229481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9391.

The product of its digits is 32256, while the sum is 38.

The square root of 147229481 is about 12133.8155993900. The cubic root of 147229481 is about 528.0376955506.

The spelling of 147229481 in words is "one hundred forty-seven million, two hundred twenty-nine thousand, four hundred eighty-one".