145246757 has 2 divisors, whose sum is σ = 145246758. Its totient is φ = 145246756.

The previous prime is 145246741. The next prime is 145246847. The reversal of 145246757 is 757642541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135815716 + 9431041 = 11654^2 + 3071^2 .

It is a cyclic number.

It is not a de Polignac number, because 145246757 - 2⁴ = 145246741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145246727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72623378 + 72623379.

It is an arithmetic number, because the mean of its divisors is an integer number (72623379).

Almost surely, 2^145246757 is an apocalyptic number.

It is an amenable number.

145246757 is a deficient number, since it is larger than the sum of its proper divisors (1).

145246757 is an equidigital number, since it uses as much as digits as its factorization.

145246757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 41.

The square root of 145246757 is about 12051.8362501322. The cubic root of 145246757 is about 525.6566320556.

The spelling of 145246757 in words is "one hundred forty-five million, two hundred forty-six thousand, seven hundred fifty-seven".