147440481 has 4 divisors (see below), whose sum is σ = 196587312. Its totient is φ = 98293652.

The previous prime is 147440471. The next prime is 147440521. The reversal of 147440481 is 184044741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 147440481 - 2¹³ = 147432289 is a prime.

It is a super-2 number, since 2×147440481² = 43477390875022722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147440411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24573411 + ... + 24573416.

It is an arithmetic number, because the mean of its divisors is an integer number (49146828).

Almost surely, 2^147440481 is an apocalyptic number.

It is an amenable number.

147440481 is a deficient number, since it is larger than the sum of its proper divisors (49146831).

147440481 is an equidigital number, since it uses as much as digits as its factorization.

147440481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49146830.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 147440481 is about 12142.5071957977. The cubic root of 147440481 is about 528.2898252432.

The spelling of 147440481 in words is "one hundred forty-seven million, four hundred forty thousand, four hundred eighty-one".