745274141 has 2 divisors, whose sum is σ = 745274142. Its totient is φ = 745274140.

The previous prime is 745274111. The next prime is 745274147. The reversal of 745274141 is 141472547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 719366041 + 25908100 = 26821^2 + 5090^2 .

It is a cyclic number.

It is not a de Polignac number, because 745274141 - 2⁶ = 745274077 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745274147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372637070 + 372637071.

It is an arithmetic number, because the mean of its divisors is an integer number (372637071).

Almost surely, 2^745274141 is an apocalyptic number.

It is an amenable number.

745274141 is a deficient number, since it is larger than the sum of its proper divisors (1).

745274141 is an equidigital number, since it uses as much as digits as its factorization.

745274141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31360, while the sum is 35.

The square root of 745274141 is about 27299.7095405794. The cubic root of 745274141 is about 906.6479506271.

The spelling of 745274141 in words is "seven hundred forty-five million, two hundred seventy-four thousand, one hundred forty-one".