745346149 has 2 divisors, whose sum is σ = 745346150. Its totient is φ = 745346148.

The previous prime is 745346137. The next prime is 745346177. The reversal of 745346149 is 941643547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624500100 + 120846049 = 24990^2 + 10993^2 .

It is a cyclic number.

It is not a de Polignac number, because 745346149 - 2¹¹ = 745344101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745346449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372673074 + 372673075.

It is an arithmetic number, because the mean of its divisors is an integer number (372673075).

Almost surely, 2^745346149 is an apocalyptic number.

It is an amenable number.

745346149 is a deficient number, since it is larger than the sum of its proper divisors (1).

745346149 is an equidigital number, since it uses as much as digits as its factorization.

745346149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 745346149 is about 27301.0283505951. The cubic root of 745346149 is about 906.6771496379.

The spelling of 745346149 in words is "seven hundred forty-five million, three hundred forty-six thousand, one hundred forty-nine".