147321451 has 2 divisors, whose sum is σ = 147321452. Its totient is φ = 147321450.

The previous prime is 147321413. The next prime is 147321467. The reversal of 147321451 is 154123741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147321451 - 2¹³ = 147313259 is a prime.

It is not a weakly prime, because it can be changed into another prime (147321401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73660725 + 73660726.

It is an arithmetic number, because the mean of its divisors is an integer number (73660726).

Almost surely, 2^147321451 is an apocalyptic number.

147321451 is a deficient number, since it is larger than the sum of its proper divisors (1).

147321451 is an equidigital number, since it uses as much as digits as its factorization.

147321451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 147321451 is about 12137.6048296194. The cubic root of 147321451 is about 528.1476226249.

The spelling of 147321451 in words is "one hundred forty-seven million, three hundred twenty-one thousand, four hundred fifty-one".