145659537 has 12 divisors (see below), whose sum is σ = 210506244. Its totient is φ = 97056000.

The previous prime is 145659497. The next prime is 145659557. The reversal of 145659537 is 735956541.

145659537 is a `hidden beast` number, since 1 + 4 + 56 + 595 + 3 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 114254721 + 31404816 = 10689^2 + 5604^2 .

It is not a de Polignac number, because 145659537 - 2¹² = 145655441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145659492 and 145659501.

It is not an unprimeable number, because it can be changed into a prime (145659557) 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, 24313 + ... + 29705.

It is an arithmetic number, because the mean of its divisors is an integer number (17542187).

Almost surely, 2^145659537 is an apocalyptic number.

It is an amenable number.

145659537 is a deficient number, since it is larger than the sum of its proper divisors (64846707).

145659537 is a wasteful number, since it uses less digits than its factorization.

145659537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400 (or 8397 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The square root of 145659537 is about 12068.9492914669. The cubic root of 145659537 is about 526.1541195169.

The spelling of 145659537 in words is "one hundred forty-five million, six hundred fifty-nine thousand, five hundred thirty-seven".