137465245 has 4 divisors (see below), whose sum is σ = 164958300. Its totient is φ = 109972192.

The previous prime is 137465239. The next prime is 137465261. The reversal of 137465245 is 542564731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84437721 + 53027524 = 9189^2 + 7282^2 .

It is a cyclic number.

It is not a de Polignac number, because 137465245 - 2⁷ = 137465117 is a prime.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 13746520 + ... + 13746529.

It is an arithmetic number, because the mean of its divisors is an integer number (41239575).

Almost surely, 2^137465245 is an apocalyptic number.

It is an amenable number.

137465245 is a deficient number, since it is larger than the sum of its proper divisors (27493055).

137465245 is an equidigital number, since it uses as much as digits as its factorization.

137465245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27493054.

The product of its digits is 100800, while the sum is 37.

The square root of 137465245 is about 11724.5573477211. The cubic root of 137465245 is about 516.0965669177.

The spelling of 137465245 in words is "one hundred thirty-seven million, four hundred sixty-five thousand, two hundred forty-five".