202757157307745 has 16 divisors (see below), whose sum is σ = 243555151404240. Its totient is φ = 162041354133504.

The previous prime is 202757157307717. The next prime is 202757157307751. The reversal of 202757157307745 is 547703751757202.

It can be written as a sum of positive squares in 8 ways, for example, as 14668111030609 + 188089046277136 = 3829897^2 + 13714556^2 .

It is a cyclic number.

It is not a de Polignac number, because 202757157307745 - 2¹⁴ = 202757157291361 is a prime.

It is a super-2 number, since 2×202757157307745² (a number of 29 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 747579521 + ... + 747850689.

It is an arithmetic number, because the mean of its divisors is an integer number (15222196962765).

Almost surely, 2^{202757157307745} is an apocalyptic number.

It is an amenable number.

202757157307745 is a deficient number, since it is larger than the sum of its proper divisors (40797994096495).

202757157307745 is a wasteful number, since it uses less digits than its factorization.

202757157307745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422164.

The product of its (nonzero) digits is 100842000, while the sum is 62.

The spelling of 202757157307745 in words is "two hundred two trillion, seven hundred fifty-seven billion, one hundred fifty-seven million, three hundred seven thousand, seven hundred forty-five".