94142057 has 2 divisors, whose sum is σ = 94142058. Its totient is φ = 94142056.

The previous prime is 94142053. The next prime is 94142099. The reversal of 94142057 is 75024149.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93915481 + 226576 = 9691^2 + 476^2 .

It is a cyclic number.

It is not a de Polignac number, because 94142057 - 2² = 94142053 is a prime.

It is not a weakly prime, because it can be changed into another prime (94142053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47071028 + 47071029.

It is an arithmetic number, because the mean of its divisors is an integer number (47071029).

Almost surely, 2^94142057 is an apocalyptic number.

It is an amenable number.

94142057 is a deficient number, since it is larger than the sum of its proper divisors (1).

94142057 is an equidigital number, since it uses as much as digits as its factorization.

94142057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 94142057 is about 9702.6829794650. The cubic root of 94142057 is about 454.9125251474.

The spelling of 94142057 in words is "ninety-four million, one hundred forty-two thousand, fifty-seven".