405135145 has 16 divisors (see below), whose sum is σ = 500572800. Its totient is φ = 314582400.

The previous prime is 405135103. The next prime is 405135169. The reversal of 405135145 is 541531504.

It is not a de Polignac number, because 405135145 - 2¹⁵ = 405102377 is a prime.

It is a super-3 number, since 3×405135145³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35830 + ... + 45760.

It is an arithmetic number, because the mean of its divisors is an integer number (31285800).

Almost surely, 2^405135145 is an apocalyptic number.

It is an amenable number.

405135145 is a deficient number, since it is larger than the sum of its proper divisors (95437655).

405135145 is a wasteful number, since it uses less digits than its factorization.

405135145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10176.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 405135145 is about 20127.9692219558. The cubic root of 405135145 is about 739.9459085127.

Adding to 405135145 its reverse (541531504), we get a palindrome (946666649).

The spelling of 405135145 in words is "four hundred five million, one hundred thirty-five thousand, one hundred forty-five".