137502045 has 12 divisors (see below), whose sum is σ = 238336956. Its totient is φ = 73334400.

The previous prime is 137502017. The next prime is 137502049. The reversal of 137502045 is 540205731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66487716 + 71014329 = 8154^2 + 8427^2 .

It is not a de Polignac number, because 137502045 - 2¹¹ = 137499997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137502049) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1527756 + ... + 1527845.

It is an arithmetic number, because the mean of its divisors is an integer number (19861413).

Almost surely, 2^137502045 is an apocalyptic number.

137502045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137502045 is a deficient number, since it is larger than the sum of its proper divisors (100834911).

137502045 is a wasteful number, since it uses less digits than its factorization.

137502045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055612 (or 3055609 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 137502045 is about 11726.1265983273. The cubic root of 137502045 is about 516.1426165189.

Adding to 137502045 its reverse (540205731), we get a palindrome (677707776).

The spelling of 137502045 in words is "one hundred thirty-seven million, five hundred two thousand, forty-five".