147603681 has 16 divisors (see below), whose sum is σ = 218961600. Its totient is φ = 98272224.

The previous prime is 147603671. The next prime is 147603691. The reversal of 147603681 is 186306741.

147603681 is a `hidden beast` number, since 1 + 47 + 603 + 6 + 8 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (147603671) and next prime (147603691).

It is not a de Polignac number, because 147603681 - 2¹³ = 147595489 is a prime.

It is a super-2 number, since 2×147603681² = 43573693289499522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147603661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19950 + ... + 26328.

It is an arithmetic number, because the mean of its divisors is an integer number (13685100).

Almost surely, 2^147603681 is an apocalyptic number.

It is an amenable number.

147603681 is a deficient number, since it is larger than the sum of its proper divisors (71357919).

147603681 is an equidigital number, since it uses as much as digits as its factorization.

147603681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7245 (or 7239 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 147603681 is about 12149.2255308723. The cubic root of 147603681 is about 528.4846724738.

The spelling of 147603681 in words is "one hundred forty-seven million, six hundred three thousand, six hundred eighty-one".