147755481 has 8 divisors (see below), whose sum is σ = 200237184. Its totient is φ = 96888720.

The previous prime is 147755479. The next prime is 147755501. The reversal of 147755481 is 184557741.

147755481 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 not a de Polignac number, because 147755481 - 2¹ = 147755479 is a prime.

It is a super-2 number, since 2×147755481² = 43663364331082722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147755441) 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, 403521 + ... + 403886.

It is an arithmetic number, because the mean of its divisors is an integer number (25029648).

Almost surely, 2^147755481 is an apocalyptic number.

It is an amenable number.

147755481 is a deficient number, since it is larger than the sum of its proper divisors (52481703).

147755481 is an equidigital number, since it uses as much as digits as its factorization.

147755481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807471.

The product of its digits is 156800, while the sum is 42.

The square root of 147755481 is about 12155.4712372660. The cubic root of 147755481 is about 528.6657801690.

The spelling of 147755481 in words is "one hundred forty-seven million, seven hundred fifty-five thousand, four hundred eighty-one".