406487145 has 8 divisors (see below), whose sum is σ = 650379456. Its totient is φ = 216793136.

The previous prime is 406487129. The next prime is 406487149. The reversal of 406487145 is 541784604.

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 406487145 - 2⁴ = 406487129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406487149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13549557 + ... + 13549586.

It is an arithmetic number, because the mean of its divisors is an integer number (81297432).

Almost surely, 2^406487145 is an apocalyptic number.

It is an amenable number.

406487145 is a deficient number, since it is larger than the sum of its proper divisors (243892311).

406487145 is a wasteful number, since it uses less digits than its factorization.

406487145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27099151.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 406487145 is about 20161.5263559087. The cubic root of 406487145 is about 740.7681000708.

The spelling of 406487145 in words is "four hundred six million, four hundred eighty-seven thousand, one hundred forty-five".