147651481 has 8 divisors (see below), whose sum is σ = 155291904. Its totient is φ = 140190960.

The previous prime is 147651463. The next prime is 147651577. The reversal of 147651481 is 184156741.

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 147651481 - 2⁷ = 147651353 is a prime.

It is a super-2 number, since 2×147651481² = 43601919682986722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147651481.

It is not an unprimeable number, because it can be changed into a prime (147651281) 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, 43291 + ... + 46576.

It is an arithmetic number, because the mean of its divisors is an integer number (19411488).

Almost surely, 2^147651481 is an apocalyptic number.

It is an amenable number.

147651481 is a deficient number, since it is larger than the sum of its proper divisors (7640423).

147651481 is an equidigital number, since it uses as much as digits as its factorization.

147651481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89951.

The product of its digits is 26880, while the sum is 37.

The square root of 147651481 is about 12151.1925752166. The cubic root of 147651481 is about 528.5417145041.

The spelling of 147651481 in words is "one hundred forty-seven million, six hundred fifty-one thousand, four hundred eighty-one".