1475215345 has 8 divisors (see below), whose sum is σ = 1818103464. Its totient is φ = 1148275584.

The previous prime is 1475215267. The next prime is 1475215349. The reversal of 1475215345 is 5435125741.

It can be written as a sum of positive squares in 4 ways, for example, as 43652449 + 1431562896 = 6607^2 + 37836^2 .

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 1475215345 - 2²⁷ = 1340997617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1475215349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3986884 + ... + 3987253.

It is an arithmetic number, because the mean of its divisors is an integer number (227262933).

Almost surely, 2^1475215345 is an apocalyptic number.

It is an amenable number.

1475215345 is a deficient number, since it is larger than the sum of its proper divisors (342888119).

1475215345 is an equidigital number, since it uses as much as digits as its factorization.

1475215345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7974179.

The product of its digits is 84000, while the sum is 37.

The square root of 1475215345 is about 38408.5321901267. The cubic root of 1475215345 is about 1138.3744516934.

The spelling of 1475215345 in words is "one billion, four hundred seventy-five million, two hundred fifteen thousand, three hundred forty-five".