405430148 has 6 divisors (see below), whose sum is σ = 709502766. Its totient is φ = 202715072.

The previous prime is 405430141. The next prime is 405430153. The reversal of 405430148 is 841034504.

It can be written as a sum of positive squares in only one way, i.e., 405136384 + 293764 = 20128^2 + 542^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 405430148.

It is not an unprimeable number, because it can be changed into a prime (405430141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50678765 + ... + 50678772.

It is an arithmetic number, because the mean of its divisors is an integer number (118250461).

Almost surely, 2^405430148 is an apocalyptic number.

It is an amenable number.

405430148 is a deficient number, since it is larger than the sum of its proper divisors (304072618).

405430148 is a wasteful number, since it uses less digits than its factorization.

405430148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101357541 (or 101357539 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 405430148 is about 20135.2960743069. The cubic root of 405430148 is about 740.1254644827.

The spelling of 405430148 in words is "four hundred five million, four hundred thirty thousand, one hundred forty-eight".