94145731 has 2 divisors, whose sum is σ = 94145732. Its totient is φ = 94145730.

The previous prime is 94145719. The next prime is 94145767. The reversal of 94145731 is 13754149.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 94145731 - 2⁵ = 94145699 is a prime.

It is a super-2 number, since 2×94145731² = 17726837331048722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (94145431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47072865 + 47072866.

It is an arithmetic number, because the mean of its divisors is an integer number (47072866).

Almost surely, 2^94145731 is an apocalyptic number.

94145731 is a deficient number, since it is larger than the sum of its proper divisors (1).

94145731 is an equidigital number, since it uses as much as digits as its factorization.

94145731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 94145731 is about 9702.8723066935. The cubic root of 94145731 is about 454.9184428952.

The spelling of 94145731 in words is "ninety-four million, one hundred forty-five thousand, seven hundred thirty-one".