1554454452 has 24 divisors (see below), whose sum is σ = 3744063232. Its totient is φ = 501436800.

The previous prime is 1554454441. The next prime is 1554454469. The reversal of 1554454452 is 2544544551.

It is a self number, because there is not a number n which added to its sum of digits gives 1554454452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2088949 + ... + 2089692.

Almost surely, 2^1554454452 is an apocalyptic number.

1554454452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1554454452 is an abundant number, since it is smaller than the sum of its proper divisors (2189608780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1554454452 is a wasteful number, since it uses less digits than its factorization.

1554454452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178679 (or 4178677 counting only the distinct ones).

The product of its digits is 320000, while the sum is 39.

The square root of 1554454452 is about 39426.5703808992. The cubic root of 1554454452 is about 1158.4020933850.

Subtracting 1554454452 from its reverse (2544544551), we obtain a palindrome (990090099).

It can be divided in two parts, 15544 and 54452, that added together give a palindrome (69996).

The spelling of 1554454452 in words is "one billion, five hundred fifty-four million, four hundred fifty-four thousand, four hundred fifty-two".