475145405 has 12 divisors (see below), whose sum is σ = 663264540. Its totient is φ = 325813824.

The previous prime is 475145381. The next prime is 475145423. The reversal of 475145405 is 504541574.

It can be written as a sum of positive squares in 2 ways, for example, as 324396121 + 150749284 = 18011^2 + 12278^2 .

It is not a de Polignac number, because 475145405 - 2¹⁴ = 475129021 is a prime.

It is a super-2 number, since 2×475145405² = 451526311785228050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 969440 + ... + 969929.

It is an arithmetic number, because the mean of its divisors is an integer number (55272045).

Almost surely, 2^475145405 is an apocalyptic number.

It is an amenable number.

475145405 is a deficient number, since it is larger than the sum of its proper divisors (188119135).

475145405 is a wasteful number, since it uses less digits than its factorization.

475145405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939388 (or 1939381 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 35.

The square root of 475145405 is about 21797.8302819340. The cubic root of 475145405 is about 780.3249823745.

Adding to 475145405 its reverse (504541574), we get a palindrome (979686979).

The spelling of 475145405 in words is "four hundred seventy-five million, one hundred forty-five thousand, four hundred five".