4357672145 has 4 divisors (see below), whose sum is σ = 5229206580. Its totient is φ = 3486137712.

The previous prime is 4357672129. The next prime is 4357672157. The reversal of 4357672145 is 5412767534.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2223971281 + 2133700864 = 47159^2 + 46192^2 .

It is a cyclic number.

It is not a de Polignac number, because 4357672145 - 2⁴ = 4357672129 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4357672096 and 4357672105.

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, 435767210 + ... + 435767219.

It is an arithmetic number, because the mean of its divisors is an integer number (1307301645).

Almost surely, 2^4357672145 is an apocalyptic number.

It is an amenable number.

4357672145 is a deficient number, since it is larger than the sum of its proper divisors (871534435).

4357672145 is an equidigital number, since it uses as much as digits as its factorization.

4357672145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871534434.

The product of its digits is 705600, while the sum is 44.

The square root of 4357672145 is about 66012.6665496858. Note that the first 3 decimals coincide. The cubic root of 4357672145 is about 1633.3710385807.

The spelling of 4357672145 in words is "four billion, three hundred fifty-seven million, six hundred seventy-two thousand, one hundred forty-five".