137445597 has 6 divisors (see below), whose sum is σ = 198532542. Its totient is φ = 91630392.

The previous prime is 137445577. The next prime is 137445613. The reversal of 137445597 is 795544731.

137445597 is a `hidden beast` number, since 13 + 7 + 4 + 45 + 597 = 666.

It can be written as a sum of positive squares in only one way, i.e., 131125401 + 6320196 = 11451^2 + 2514^2 .

It is not a de Polignac number, because 137445597 - 2⁶ = 137445533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137445577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7635858 + ... + 7635875.

It is an arithmetic number, because the mean of its divisors is an integer number (33088757).

Almost surely, 2^137445597 is an apocalyptic number.

It is an amenable number.

137445597 is a deficient number, since it is larger than the sum of its proper divisors (61086945).

137445597 is a wasteful number, since it uses less digits than its factorization.

137445597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15271739 (or 15271736 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 137445597 is about 11723.7194183416. The cubic root of 137445597 is about 516.0719770696.

It can be divided in two parts, 1374 and 45597, that added together give a triangular number (46971 = T₃₀₆).

The spelling of 137445597 in words is "one hundred thirty-seven million, four hundred forty-five thousand, five hundred ninety-seven".