145205037 has 6 divisors (see below), whose sum is σ = 209740622. Its totient is φ = 96803352.

The previous prime is 145205033. The next prime is 145205063. The reversal of 145205037 is 730502541.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 83283876 + 61921161 = 9126^2 + 7869^2 .

It is not a de Polignac number, because 145205037 - 2² = 145205033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145205037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145205033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8066938 + ... + 8066955.

Almost surely, 2^145205037 is an apocalyptic number.

It is an amenable number.

145205037 is a deficient number, since it is larger than the sum of its proper divisors (64535585).

145205037 is a wasteful number, since it uses less digits than its factorization.

145205037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16133899 (or 16133896 counting only the distinct ones).

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

The square root of 145205037 is about 12050.1052692497. The cubic root of 145205037 is about 525.6062981842.

Adding to 145205037 its reverse (730502541), we get a palindrome (875707578).

The spelling of 145205037 in words is "one hundred forty-five million, two hundred five thousand, thirty-seven".