1554454450 has 24 divisors (see below), whose sum is σ = 2917821060. Its totient is φ = 616075200.

The previous prime is 1554454441. The next prime is 1554454469. The reversal of 1554454450 is 544544551.

It can be written as a sum of positive squares in 6 ways, for example, as 896583249 + 657871201 = 29943^2 + 25649^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 137161 + ... + 148060.

Almost surely, 2^1554454450 is an apocalyptic number.

1554454450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1554454450 is a deficient number, since it is larger than the sum of its proper divisors (1363366610).

1554454450 is a wasteful number, since it uses less digits than its factorization.

1554454450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285342 (or 285337 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

The square root of 1554454450 is about 39426.5703555356. The cubic root of 1554454450 is about 1158.4020928882.

It can be divided in two parts, 155445 and 4450, that added together give a triangular number (159895 = T₅₆₅).

The spelling of 1554454450 in words is "one billion, five hundred fifty-four million, four hundred fifty-four thousand, four hundred fifty".