147513649 has 2 divisors, whose sum is σ = 147513650. Its totient is φ = 147513648.

The previous prime is 147513617. The next prime is 147513679. The reversal of 147513649 is 946315741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126720049 + 20793600 = 11257^2 + 4560^2 .

It is a cyclic number.

It is not a de Polignac number, because 147513649 - 2⁵ = 147513617 is a prime.

It is not a weakly prime, because it can be changed into another prime (147513679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73756824 + 73756825.

It is an arithmetic number, because the mean of its divisors is an integer number (73756825).

Almost surely, 2^147513649 is an apocalyptic number.

It is an amenable number.

147513649 is a deficient number, since it is larger than the sum of its proper divisors (1).

147513649 is an equidigital number, since it uses as much as digits as its factorization.

147513649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 147513649 is about 12145.5197089297. The cubic root of 147513649 is about 528.3771995232.

The spelling of 147513649 in words is "one hundred forty-seven million, five hundred thirteen thousand, six hundred forty-nine".