1455404445 has 96 divisors (see below), whose sum is σ = 2848120704. Its totient is φ = 681408000.

The previous prime is 1455404413. The next prime is 1455404449. The reversal of 1455404445 is 5444045541.

It is not a de Polignac number, because 1455404445 - 2⁵ = 1455404413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455404449) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2149447 + ... + 2150123.

It is an arithmetic number, because the mean of its divisors is an integer number (29667924).

Almost surely, 2^1455404445 is an apocalyptic number.

1455404445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1455404445 is a deficient number, since it is larger than the sum of its proper divisors (1392716259).

1455404445 is a wasteful number, since it uses less digits than its factorization.

1455404445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The square root of 1455404445 is about 38149.7633675492. The cubic root of 1455404445 is about 1133.2556657175.

Adding to 1455404445 its reverse (5444045541), we get a palindrome (6899449986).

The spelling of 1455404445 in words is "one billion, four hundred fifty-five million, four hundred four thousand, four hundred forty-five".