147054247 has 2 divisors, whose sum is σ = 147054248. Its totient is φ = 147054246.

The previous prime is 147054239. The next prime is 147054253. The reversal of 147054247 is 742450741.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147054247 - 2³ = 147054239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147054217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73527123 + 73527124.

It is an arithmetic number, because the mean of its divisors is an integer number (73527124).

Almost surely, 2^147054247 is an apocalyptic number.

147054247 is a deficient number, since it is larger than the sum of its proper divisors (1).

147054247 is an equidigital number, since it uses as much as digits as its factorization.

147054247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 147054247 is about 12126.5925552069. The cubic root of 147054247 is about 527.8281204680.

The spelling of 147054247 in words is "one hundred forty-seven million, fifty-four thousand, two hundred forty-seven".