1145235737 has 2 divisors, whose sum is σ = 1145235738. Its totient is φ = 1145235736.

The previous prime is 1145235703. The next prime is 1145235761. The reversal of 1145235737 is 7375325411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 936115216 + 209120521 = 30596^2 + 14461^2 .

It is an emirp because it is prime and its reverse (7375325411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1145235737 - 2¹² = 1145231641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1145235737.

It is not a weakly prime, because it can be changed into another prime (1145235797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572617868 + 572617869.

It is an arithmetic number, because the mean of its divisors is an integer number (572617869).

Almost surely, 2^1145235737 is an apocalyptic number.

It is an amenable number.

1145235737 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145235737 is an equidigital number, since it uses as much as digits as its factorization.

1145235737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 38.

The square root of 1145235737 is about 33841.3317852593. The cubic root of 1145235737 is about 1046.2407481195.

The spelling of 1145235737 in words is "one billion, one hundred forty-five million, two hundred thirty-five thousand, seven hundred thirty-seven".