147532447 has 4 divisors (see below), whose sum is σ = 147852936. Its totient is φ = 147211960.

The previous prime is 147532393. The next prime is 147532493. The reversal of 147532447 is 744235741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 147532447 - 2¹¹ = 147530399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147536447) 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, 159553 + ... + 160474.

It is an arithmetic number, because the mean of its divisors is an integer number (36963234).

Almost surely, 2^147532447 is an apocalyptic number.

147532447 is a deficient number, since it is larger than the sum of its proper divisors (320489).

147532447 is an equidigital number, since it uses as much as digits as its factorization.

147532447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320488.

The product of its digits is 94080, while the sum is 37.

The square root of 147532447 is about 12146.2935498859. The cubic root of 147532447 is about 528.3996426729.

The spelling of 147532447 in words is "one hundred forty-seven million, five hundred thirty-two thousand, four hundred forty-seven".