405343142545 has 64 divisors (see below), whose sum is σ = 547762176000. Its totient is φ = 285446304000.

The previous prime is 405343142537. The next prime is 405343142549. The reversal of 405343142545 is 545241343504.

It is not a de Polignac number, because 405343142545 - 2³ = 405343142537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405343142498 and 405343142507.

It is not an unprimeable number, because it can be changed into a prime (405343142549) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122792395 + ... + 122795695.

It is an arithmetic number, because the mean of its divisors is an integer number (8558784000).

Almost surely, 2^405343142545 is an apocalyptic number.

It is an amenable number.

405343142545 is a deficient number, since it is larger than the sum of its proper divisors (142419033455).

405343142545 is a wasteful number, since it uses less digits than its factorization.

405343142545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934.

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 405343142545 in words is "four hundred five billion, three hundred forty-three million, one hundred forty-two thousand, five hundred forty-five".