137850545 has 16 divisors (see below), whose sum is σ = 192154368. Its totient is φ = 92975040.

The previous prime is 137850541. The next prime is 137850551. The reversal of 137850545 is 545058731.

It is not a de Polignac number, because 137850545 - 2² = 137850541 is a prime.

It is a super-4 number, since 4×137850545⁴ (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137850499 and 137850508.

It is not an unprimeable number, because it can be changed into a prime (137850541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30149 + ... + 34418.

It is an arithmetic number, because the mean of its divisors is an integer number (12009648).

Almost surely, 2^137850545 is an apocalyptic number.

It is an amenable number.

137850545 is a deficient number, since it is larger than the sum of its proper divisors (54303823).

137850545 is an equidigital number, since it uses as much as digits as its factorization.

137850545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64640.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 137850545 is about 11740.9771739834. The cubic root of 137850545 is about 516.5783044634.

The spelling of 137850545 in words is "one hundred thirty-seven million, eight hundred fifty thousand, five hundred forty-five".