357143645 has 4 divisors (see below), whose sum is σ = 428572380. Its totient is φ = 285714912.

The previous prime is 357143639. The next prime is 357143651. The reversal of 357143645 is 546341753.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546341753 = 5107 ⋅106979.

It is an interprime number because it is at equal distance from previous prime (357143639) and next prime (357143651).

It can be written as a sum of positive squares in 2 ways, for example, as 277255801 + 79887844 = 16651^2 + 8938^2 .

It is a cyclic number.

It is not a de Polignac number, because 357143645 - 2⁴ = 357143629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 357143599 and 357143608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35714360 + ... + 35714369.

It is an arithmetic number, because the mean of its divisors is an integer number (107143095).

Almost surely, 2^357143645 is an apocalyptic number.

It is an amenable number.

357143645 is a deficient number, since it is larger than the sum of its proper divisors (71428735).

357143645 is an equidigital number, since it uses as much as digits as its factorization.

357143645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71428734.

The product of its digits is 151200, while the sum is 38.

The square root of 357143645 is about 18898.2444951906. The cubic root of 357143645 is about 709.4922276977.

The spelling of 357143645 in words is "three hundred fifty-seven million, one hundred forty-three thousand, six hundred forty-five".