147409649 has 2 divisors, whose sum is σ = 147409650. Its totient is φ = 147409648.

The previous prime is 147409621. The next prime is 147409663. The reversal of 147409649 is 946904741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144769024 + 2640625 = 12032^2 + 1625^2 .

It is a cyclic number.

It is not a de Polignac number, because 147409649 - 2⁸ = 147409393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (147409609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73704824 + 73704825.

It is an arithmetic number, because the mean of its divisors is an integer number (73704825).

Almost surely, 2^147409649 is an apocalyptic number.

It is an amenable number.

147409649 is a deficient number, since it is larger than the sum of its proper divisors (1).

147409649 is an equidigital number, since it uses as much as digits as its factorization.

147409649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 147409649 is about 12141.2375398886. The cubic root of 147409649 is about 528.2529982531.

It can be divided in two parts, 14740 and 9649, that added together give a cube (24389 = 29³).

The spelling of 147409649 in words is "one hundred forty-seven million, four hundred nine thousand, six hundred forty-nine".