147031553 has 2 divisors, whose sum is σ = 147031554. Its totient is φ = 147031552.

The previous prime is 147031523. The next prime is 147031579. The reversal of 147031553 is 355130741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109662784 + 37368769 = 10472^2 + 6113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147031553 is a prime.

It is not a weakly prime, because it can be changed into another prime (147031523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73515776 + 73515777.

It is an arithmetic number, because the mean of its divisors is an integer number (73515777).

Almost surely, 2^147031553 is an apocalyptic number.

It is an amenable number.

147031553 is a deficient number, since it is larger than the sum of its proper divisors (1).

147031553 is an equidigital number, since it uses as much as digits as its factorization.

147031553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 147031553 is about 12125.6568069528. The cubic root of 147031553 is about 527.8009668884.

The spelling of 147031553 in words is "one hundred forty-seven million, thirty-one thousand, five hundred fifty-three".