147814447 has 12 divisors (see below), whose sum is σ = 162797320. Its totient is φ = 134109360.

The previous prime is 147814427. The next prime is 147814453. The reversal of 147814447 is 744418741.

It is not a de Polignac number, because 147814447 - 2¹⁵ = 147781679 is a prime.

It is a super-2 number, since 2×147814447² = 43698221483831618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147814427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84928 + ... + 86650.

Almost surely, 2^147814447 is an apocalyptic number.

147814447 is a deficient number, since it is larger than the sum of its proper divisors (14982873).

147814447 is a wasteful number, since it uses less digits than its factorization.

147814447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454 (or 2443 counting only the distinct ones).

The product of its digits is 100352, while the sum is 40.

The square root of 147814447 is about 12157.8964874685. The cubic root of 147814447 is about 528.7360971554.

The spelling of 147814447 in words is "one hundred forty-seven million, eight hundred fourteen thousand, four hundred forty-seven".