145786937 has 2 divisors, whose sum is σ = 145786938. Its totient is φ = 145786936.

The previous prime is 145786931. The next prime is 145786957. The reversal of 145786937 is 739687541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100480576 + 45306361 = 10024^2 + 6731^2 .

It is an emirp because it is prime and its reverse (739687541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145786937 - 2¹² = 145782841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145786931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72893468 + 72893469.

It is an arithmetic number, because the mean of its divisors is an integer number (72893469).

Almost surely, 2^145786937 is an apocalyptic number.

It is an amenable number.

145786937 is a deficient number, since it is larger than the sum of its proper divisors (1).

145786937 is an equidigital number, since it uses as much as digits as its factorization.

145786937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 50.

The square root of 145786937 is about 12074.2261449751. The cubic root of 145786937 is about 526.3074737077.

The spelling of 145786937 in words is "one hundred forty-five million, seven hundred eighty-six thousand, nine hundred thirty-seven".