94145761 has 4 divisors (see below), whose sum is σ = 94234900. Its totient is φ = 94056624.

The previous prime is 94145731. The next prime is 94145767. The reversal of 94145761 is 16754149.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62110161 + 32035600 = 7881^2 + 5660^2 .

It is a cyclic number.

It is not a de Polignac number, because 94145761 - 2⁷ = 94145633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94145761.

It is not an unprimeable number, because it can be changed into a prime (94145767) 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 in 3 ways as a sum of consecutive naturals, for example, 42966 + ... + 45103.

It is an arithmetic number, because the mean of its divisors is an integer number (23558725).

Almost surely, 2^94145761 is an apocalyptic number.

It is an amenable number.

94145761 is a deficient number, since it is larger than the sum of its proper divisors (89139).

94145761 is a wasteful number, since it uses less digits than its factorization.

94145761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89138.

The product of its digits is 30240, while the sum is 37.

The square root of 94145761 is about 9702.8738526274. The cubic root of 94145761 is about 454.9184912159.

The spelling of 94145761 in words is "ninety-four million, one hundred forty-five thousand, seven hundred sixty-one".