1404545451 has 32 divisors (see below), whose sum is σ = 1926955008. Its totient is φ = 909810720.

The previous prime is 1404545449. The next prime is 1404545479. The reversal of 1404545451 is 1545454041.

It is not a de Polignac number, because 1404545451 - 2¹ = 1404545449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1404545251) 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 in 31 ways as a sum of consecutive naturals, for example, 5340346 + ... + 5340608.

It is an arithmetic number, because the mean of its divisors is an integer number (60217344).

Almost surely, 2^1404545451 is an apocalyptic number.

1404545451 is a deficient number, since it is larger than the sum of its proper divisors (522409557).

1404545451 is a wasteful number, since it uses less digits than its factorization.

1404545451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 1404545451 is about 37477.2657887418. The cubic root of 1404545451 is about 1119.8983355318.

Adding to 1404545451 its reverse (1545454041), we get a palindrome (2949999492).

The spelling of 1404545451 in words is "one billion, four hundred four million, five hundred forty-five thousand, four hundred fifty-one".