404152145 has 8 divisors (see below), whose sum is σ = 492933480. Its totient is φ = 318021120.

The previous prime is 404152127. The next prime is 404152181. The reversal of 404152145 is 541251404.

It can be written as a sum of positive squares in 4 ways, for example, as 23746129 + 380406016 = 4873^2 + 19504^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 404152145 - 2⁶ = 404152081 is a prime.

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, 662240 + ... + 662849.

It is an arithmetic number, because the mean of its divisors is an integer number (61616685).

Almost surely, 2^404152145 is an apocalyptic number.

It is an amenable number.

404152145 is a deficient number, since it is larger than the sum of its proper divisors (88781335).

404152145 is a wasteful number, since it uses less digits than its factorization.

404152145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325155.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 404152145 is about 20103.5356343107. The cubic root of 404152145 is about 739.3469677118.

The spelling of 404152145 in words is "four hundred four million, one hundred fifty-two thousand, one hundred forty-five".