1145140049 has 2 divisors, whose sum is σ = 1145140050. Its totient is φ = 1145140048.

The previous prime is 1145140033. The next prime is 1145140057. The reversal of 1145140049 is 9400415411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 666930625 + 478209424 = 25825^2 + 21868^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145140049 - 2⁴ = 1145140033 is a prime.

It is a super-2 number, since 2×1145140049² = 2622691463647444802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1145140019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572570024 + 572570025.

It is an arithmetic number, because the mean of its divisors is an integer number (572570025).

Almost surely, 2^1145140049 is an apocalyptic number.

It is an amenable number.

1145140049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145140049 is an equidigital number, since it uses as much as digits as its factorization.

1145140049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1145140049 is about 33839.9179815791. The cubic root of 1145140049 is about 1046.2116084208.

The spelling of 1145140049 in words is "one billion, one hundred forty-five million, one hundred forty thousand, forty-nine".