147484921 has 2 divisors, whose sum is σ = 147484922. Its totient is φ = 147484920.

The previous prime is 147484907. The next prime is 147484927. The reversal of 147484921 is 129484741.

147484921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147355321 + 129600 = 12139^2 + 360^2 .

It is a cyclic number.

It is not a de Polignac number, because 147484921 - 2⁷ = 147484793 is a prime.

It is not a weakly prime, because it can be changed into another prime (147484927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73742460 + 73742461.

It is an arithmetic number, because the mean of its divisors is an integer number (73742461).

Almost surely, 2^147484921 is an apocalyptic number.

It is an amenable number.

147484921 is a deficient number, since it is larger than the sum of its proper divisors (1).

147484921 is an equidigital number, since it uses as much as digits as its factorization.

147484921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 40.

The square root of 147484921 is about 12144.3369930186. The cubic root of 147484921 is about 528.3428971479.

The spelling of 147484921 in words is "one hundred forty-seven million, four hundred eighty-four thousand, nine hundred twenty-one".