406303145 has 8 divisors (see below), whose sum is σ = 516244104. Its totient is φ = 305922304.

The previous prime is 406303133. The next prime is 406303159. The reversal of 406303145 is 541303604.

It can be written as a sum of positive squares in 4 ways, for example, as 8340544 + 397962601 = 2888^2 + 19949^2 .

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 406303145 - 2¹⁴ = 406286761 is a prime.

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, 2389934 + ... + 2390103.

It is an arithmetic number, because the mean of its divisors is an integer number (64530513).

Almost surely, 2^406303145 is an apocalyptic number.

It is an amenable number.

406303145 is a deficient number, since it is larger than the sum of its proper divisors (109940959).

406303145 is a wasteful number, since it uses less digits than its factorization.

406303145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780059.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 406303145 is about 20156.9626928265. The cubic root of 406303145 is about 740.6563114585.

Adding to 406303145 its reverse (541303604), we get a palindrome (947606749).

The spelling of 406303145 in words is "four hundred six million, three hundred three thousand, one hundred forty-five".