137332145 has 4 divisors (see below), whose sum is σ = 164798580. Its totient is φ = 109865712.

The previous prime is 137332127. The next prime is 137332157. The reversal of 137332145 is 541233731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541233731 = 9187 ⋅58913.

It can be written as a sum of positive squares in 2 ways, for example, as 33373729 + 103958416 = 5777^2 + 10196^2 .

It is a cyclic number.

It is not a de Polignac number, because 137332145 - 2¹⁶ = 137266609 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13733210 + ... + 13733219.

It is an arithmetic number, because the mean of its divisors is an integer number (41199645).

Almost surely, 2^137332145 is an apocalyptic number.

It is an amenable number.

137332145 is a deficient number, since it is larger than the sum of its proper divisors (27466435).

137332145 is an equidigital number, since it uses as much as digits as its factorization.

137332145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27466434.

The product of its digits is 7560, while the sum is 29.

The square root of 137332145 is about 11718.8798526139. The cubic root of 137332145 is about 515.9299438673.

Adding to 137332145 its reverse (541233731), we get a palindrome (678565876).

The spelling of 137332145 in words is "one hundred thirty-seven million, three hundred thirty-two thousand, one hundred forty-five".