147775661002 has 8 divisors (see below), whose sum is σ = 222233321700. Its totient is φ = 73697887104.

The previous prime is 147775660999. The next prime is 147775661051. The reversal of 147775661002 is 200166577741.

It can be written as a sum of positive squares in 2 ways, for example, as 141676207201 + 6099453801 = 376399^2 + 78099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94970727 + ... + 94972282.

Almost surely, 2^147775661002 is an apocalyptic number.

147775661002 is a deficient number, since it is larger than the sum of its proper divisors (74457660698).

147775661002 is a wasteful number, since it uses less digits than its factorization.

147775661002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189943400.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 147775661002 in words is "one hundred forty-seven billion, seven hundred seventy-five million, six hundred sixty-one thousand, two".