137448225 has 24 divisors (see below), whose sum is σ = 252498720. Its totient is φ = 73305360.

The previous prime is 137448221. The next prime is 137448251. The reversal of 137448225 is 522844731.

It is a happy number.

It is not a de Polignac number, because 137448225 - 2² = 137448221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137448225.

It is not an unprimeable number, because it can be changed into a prime (137448221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101139 + ... + 102488.

It is an arithmetic number, because the mean of its divisors is an integer number (10520780).

Almost surely, 2^137448225 is an apocalyptic number.

137448225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137448225 is a deficient number, since it is larger than the sum of its proper divisors (115050495).

137448225 is a wasteful number, since it uses less digits than its factorization.

137448225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203646 (or 203635 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 137448225 is about 11723.8314982773. The cubic root of 137448225 is about 516.0752661976.

The spelling of 137448225 in words is "one hundred thirty-seven million, four hundred forty-eight thousand, two hundred twenty-five".