137450569945 has 32 divisors (see below), whose sum is σ = 180498421152. Its totient is φ = 99874086912.

The previous prime is 137450569939. The next prime is 137450569957. The reversal of 137450569945 is 549965054731.

It can be written as a sum of positive squares in 16 ways, for example, as 60764222016 + 76686347929 = 246504^2 + 276923^2 .

It is a cyclic number.

It is not a de Polignac number, because 137450569945 - 2¹⁵ = 137450537177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137450569945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1027759 + ... + 1153771.

It is an arithmetic number, because the mean of its divisors is an integer number (5640575661).

Almost surely, 2^137450569945 is an apocalyptic number.

It is an amenable number.

137450569945 is a deficient number, since it is larger than the sum of its proper divisors (43047851207).

137450569945 is a wasteful number, since it uses less digits than its factorization.

137450569945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126301.

The product of its (nonzero) digits is 20412000, while the sum is 58.

The spelling of 137450569945 in words is "one hundred thirty-seven billion, four hundred fifty million, five hundred sixty-nine thousand, nine hundred forty-five".