907145749 has 2 divisors, whose sum is σ = 907145750. Its totient is φ = 907145748.

The previous prime is 907145717. The next prime is 907145779. The reversal of 907145749 is 947541709.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 896583249 + 10562500 = 29943^2 + 3250^2 .

It is a cyclic number.

It is not a de Polignac number, because 907145749 - 2⁵ = 907145717 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 907145699 and 907145708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (907145779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453572874 + 453572875.

It is an arithmetic number, because the mean of its divisors is an integer number (453572875).

Almost surely, 2^907145749 is an apocalyptic number.

It is an amenable number.

907145749 is a deficient number, since it is larger than the sum of its proper divisors (1).

907145749 is an equidigital number, since it uses as much as digits as its factorization.

907145749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 907145749 is about 30118.8603536057. The cubic root of 907145749 is about 968.0378904669.

The spelling of 907145749 in words is "nine hundred seven million, one hundred forty-five thousand, seven hundred forty-nine".