45142901 has 2 divisors, whose sum is σ = 45142902. Its totient is φ = 45142900.

The previous prime is 45142883. The next prime is 45142907. The reversal of 45142901 is 10924154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44542276 + 600625 = 6674^2 + 775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45142901 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45142907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22571450 + 22571451.

It is an arithmetic number, because the mean of its divisors is an integer number (22571451).

Almost surely, 2^45142901 is an apocalyptic number.

It is an amenable number.

45142901 is a deficient number, since it is larger than the sum of its proper divisors (1).

45142901 is an equidigital number, since it uses as much as digits as its factorization.

45142901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 45142901 is about 6718.8467016297. The cubic root of 45142901 is about 356.0654389867.

The spelling of 45142901 in words is "forty-five million, one hundred forty-two thousand, nine hundred one".