147200247 has 20 divisors (see below), whose sum is σ = 221260600. Its totient is φ = 97522704.

The previous prime is 147200243. The next prime is 147200257. The reversal of 147200247 is 742002741.

It is a happy number.

147200247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 147200247 - 2² = 147200243 is a prime.

It is a super-2 number, since 2×147200247² = 43335825433722018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 147200247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147200243) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7629 + ... + 18777.

It is an arithmetic number, because the mean of its divisors is an integer number (11063030).

Almost surely, 2^147200247 is an apocalyptic number.

147200247 is a deficient number, since it is larger than the sum of its proper divisors (74060353).

147200247 is a wasteful number, since it uses less digits than its factorization.

147200247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11324 (or 11315 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 147200247 is about 12132.6108896643. The cubic root of 147200247 is about 528.0027440457.

Adding to 147200247 its reverse (742002741), we get a palindrome (889202988).

The spelling of 147200247 in words is "one hundred forty-seven million, two hundred thousand, two hundred forty-seven".