147487320731745 has 72 divisors (see below), whose sum is σ = 274617611784360. Its totient is φ = 75947493404160.

The previous prime is 147487320731671. The next prime is 147487320731771. The reversal of 147487320731745 is 547137023784741.

147487320731745 is a `hidden beast` number, since 1 + 4 + 7 + 4 + 8 + 73 + 207 + 317 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6350354640081 + 141136966091664 = 2519991^2 + 11880108^2 .

It is not a de Polignac number, because 147487320731745 - 2¹⁷ = 147487320600673 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 76563816 + ... + 78466505.

It is an arithmetic number, because the mean of its divisors is an integer number (3814133497005).

Almost surely, 2^{147487320731745} is an apocalyptic number.

147487320731745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

147487320731745 is a deficient number, since it is larger than the sum of its proper divisors (127130291052615).

147487320731745 is an frugal number, since it uses more digits than its factorization.

147487320731745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155030379 (or 155030358 counting only the distinct ones).

The product of its (nonzero) digits is 110638080, while the sum is 63.

The spelling of 147487320731745 in words is "one hundred forty-seven trillion, four hundred eighty-seven billion, three hundred twenty million, seven hundred thirty-one thousand, seven hundred forty-five".