1405545452 has 6 divisors (see below), whose sum is σ = 2459704548. Its totient is φ = 702772724.

The previous prime is 1405545443. The next prime is 1405545457. The reversal of 1405545452 is 2545455041.

It is not an unprimeable number, because it can be changed into a prime (1405545457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175693178 + ... + 175693185.

It is an arithmetic number, because the mean of its divisors is an integer number (409950758).

Almost surely, 2^1405545452 is an apocalyptic number.

It is an amenable number.

1405545452 is a deficient number, since it is larger than the sum of its proper divisors (1054159096).

1405545452 is a wasteful number, since it uses less digits than its factorization.

1405545452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351386367 (or 351386365 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The square root of 1405545452 is about 37490.6048497487. The cubic root of 1405545452 is about 1120.1640522873.

The spelling of 1405545452 in words is "one billion, four hundred five million, five hundred forty-five thousand, four hundred fifty-two".