285148037 has 2 divisors, whose sum is σ = 285148038. Its totient is φ = 285148036.

The previous prime is 285148027. The next prime is 285148049. The reversal of 285148037 is 730841582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219958561 + 65189476 = 14831^2 + 8074^2 .

It is a cyclic number.

It is not a de Polignac number, because 285148037 - 2¹⁸ = 284885893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285148027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142574018 + 142574019.

It is an arithmetic number, because the mean of its divisors is an integer number (142574019).

Almost surely, 2^285148037 is an apocalyptic number.

It is an amenable number.

285148037 is a deficient number, since it is larger than the sum of its proper divisors (1).

285148037 is an equidigital number, since it uses as much as digits as its factorization.

285148037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 285148037 is about 16886.3269244676. The cubic root of 285148037 is about 658.1983593111.

The spelling of 285148037 in words is "two hundred eighty-five million, one hundred forty-eight thousand, thirty-seven".