137772845 has 16 divisors (see below), whose sum is σ = 200060928. Its totient is φ = 88915200.

The previous prime is 137772821. The next prime is 137772863. The reversal of 137772845 is 548277731.

It is not a de Polignac number, because 137772845 - 2¹⁴ = 137756461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137772796 and 137772805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115181 + ... + 116370.

It is an arithmetic number, because the mean of its divisors is an integer number (12503808).

Almost surely, 2^137772845 is an apocalyptic number.

It is an amenable number.

137772845 is a deficient number, since it is larger than the sum of its proper divisors (62288083).

137772845 is a wasteful number, since it uses less digits than its factorization.

137772845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231580.

The product of its digits is 329280, while the sum is 44.

The square root of 137772845 is about 11737.6677836783. The cubic root of 137772845 is about 516.4812290934.

The spelling of 137772845 in words is "one hundred thirty-seven million, seven hundred seventy-two thousand, eight hundred forty-five".