148035857 has 2 divisors, whose sum is σ = 148035858. Its totient is φ = 148035856.

The previous prime is 148035829. The next prime is 148035863. The reversal of 148035857 is 758530841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89038096 + 58997761 = 9436^2 + 7681^2 .

It is an emirp because it is prime and its reverse (758530841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148035857 - 2⁶ = 148035793 is a prime.

It is a super-2 number, since 2×148035857² = 43829229915448898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (148035817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74017928 + 74017929.

It is an arithmetic number, because the mean of its divisors is an integer number (74017929).

Almost surely, 2^148035857 is an apocalyptic number.

It is an amenable number.

148035857 is a deficient number, since it is larger than the sum of its proper divisors (1).

148035857 is an equidigital number, since it uses as much as digits as its factorization.

148035857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 148035857 is about 12166.9986849675. The cubic root of 148035857 is about 528.9999618831. Note that the first 4 decimals are identical.

The spelling of 148035857 in words is "one hundred forty-eight million, thirty-five thousand, eight hundred fifty-seven".