145532437 has 2 divisors, whose sum is σ = 145532438. Its totient is φ = 145532436.

The previous prime is 145532423. The next prime is 145532447. The reversal of 145532437 is 734235541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135349956 + 10182481 = 11634^2 + 3191^2 .

It is a cyclic number.

It is not a de Polignac number, because 145532437 - 2²³ = 137143829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145532417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72766218 + 72766219.

It is an arithmetic number, because the mean of its divisors is an integer number (72766219).

Almost surely, 2^145532437 is an apocalyptic number.

It is an amenable number.

145532437 is a deficient number, since it is larger than the sum of its proper divisors (1).

145532437 is an equidigital number, since it uses as much as digits as its factorization.

145532437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 34.

The square root of 145532437 is about 12063.6825637945. The cubic root of 145532437 is about 526.0010373124.

Adding to 145532437 its reverse (734235541), we get a palindrome (879767978).

The spelling of 145532437 in words is "one hundred forty-five million, five hundred thirty-two thousand, four hundred thirty-seven".