2148057 has 6 divisors (see below), whose sum is σ = 3102762. Its totient is φ = 1432032.

The previous prime is 2148053. The next prime is 2148071. The reversal of 2148057 is 7508412.

It can be written as a sum of positive squares in only one way, i.e., 2143296 + 4761 = 1464^2 + 69^2 .

It is not a de Polignac number, because 2148057 - 2² = 2148053 is a prime.

It is a super-2 number, since 2×2148057² = 9228297750498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2148057.

It is not an unprimeable number, because it can be changed into a prime (2148053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119328 + ... + 119345.

It is an arithmetic number, because the mean of its divisors is an integer number (517127).

2^2148057 is an apocalyptic number.

It is an amenable number.

2148057 is a deficient number, since it is larger than the sum of its proper divisors (954705).

2148057 is a wasteful number, since it uses less digits than its factorization.

2148057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238679 (or 238676 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2148057 is about 1465.6251226013. The cubic root of 2148057 is about 129.0273963807.

The spelling of 2148057 in words is "two million, one hundred forty-eight thousand, fifty-seven".