2355745 has 8 divisors (see below), whose sum is σ = 3230784. Its totient is φ = 1615344.

The previous prime is 2355739. The next prime is 2355761. The reversal of 2355745 is 5475532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2355745 - 2⁹ = 2355233 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 3¹¹ + 5³ + 5⁵ + 7 + 4³ + 5⁷ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33619 + ... + 33688.

It is an arithmetic number, because the mean of its divisors is an integer number (403848).

2^2355745 is an apocalyptic number.

It is an amenable number.

2355745 is a deficient number, since it is larger than the sum of its proper divisors (875039).

2355745 is an equidigital number, since it uses as much as digits as its factorization.

2355745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67319.

The product of its digits is 21000, while the sum is 31.

The square root of 2355745 is about 1534.8436402448. The cubic root of 2355745 is about 133.0585416996.

The spelling of 2355745 in words is "two million, three hundred fifty-five thousand, seven hundred forty-five".