137245145 has 16 divisors (see below), whose sum is σ = 167883840. Its totient is φ = 107684544.

The previous prime is 137245133. The next prime is 137245159. The reversal of 137245145 is 541542731.

It is not a de Polignac number, because 137245145 - 2¹⁴ = 137228761 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 89354 + ... + 90876.

It is an arithmetic number, because the mean of its divisors is an integer number (10492740).

Almost surely, 2^137245145 is an apocalyptic number.

It is an amenable number.

137245145 is a deficient number, since it is larger than the sum of its proper divisors (30638695).

137245145 is a wasteful number, since it uses less digits than its factorization.

137245145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864.

The product of its digits is 16800, while the sum is 32.

The square root of 137245145 is about 11715.1673056769. The cubic root of 137245145 is about 515.8209735388.

Adding to 137245145 its reverse (541542731), we get a palindrome (678787876).

The spelling of 137245145 in words is "one hundred thirty-seven million, two hundred forty-five thousand, one hundred forty-five".