147481228 has 24 divisors (see below), whose sum is σ = 264737088. Its totient is φ = 71850576.

The previous prime is 147481199. The next prime is 147481231. The reversal of 147481228 is 822184741.

It is a happy number.

It is a super-2 number, since 2×147481228² = 43501425224775968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96075 + ... + 97597.

It is an arithmetic number, because the mean of its divisors is an integer number (11030712).

Almost surely, 2^147481228 is an apocalyptic number.

It is an amenable number.

147481228 is a deficient number, since it is larger than the sum of its proper divisors (117255860).

147481228 is a wasteful number, since it uses less digits than its factorization.

147481228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133 (or 2131 counting only the distinct ones).

The product of its digits is 28672, while the sum is 37.

The square root of 147481228 is about 12144.1849458908. The cubic root of 147481228 is about 528.3384872358.

The spelling of 147481228 in words is "one hundred forty-seven million, four hundred eighty-one thousand, two hundred twenty-eight".