2345157 has 6 divisors (see below), whose sum is σ = 3387462. Its totient is φ = 1563432.

The previous prime is 2345153. The next prime is 2345179. The reversal of 2345157 is 7515432.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1572516 + 772641 = 1254^2 + 879^2 .

It is not a de Polignac number, because 2345157 - 2² = 2345153 is a prime.

It is a super-2 number, since 2×2345157² = 10999522709298, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁵ + 3⁷ + 4⁹ + 5⁷ + 1 + 5⁹ + 7⁵ .

2345157 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2345157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345153) 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, 130278 + ... + 130295.

It is an arithmetic number, because the mean of its divisors is an integer number (564577).

2^2345157 is an apocalyptic number.

It is an amenable number.

2345157 is a deficient number, since it is larger than the sum of its proper divisors (1042305).

2345157 is a wasteful number, since it uses less digits than its factorization.

2345157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260579 (or 260576 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 2345157 is about 1531.3905445705. The cubic root of 2345157 is about 132.8588964636.

The spelling of 2345157 in words is "two million, three hundred forty-five thousand, one hundred fifty-seven".