1554645452 has 6 divisors (see below), whose sum is σ = 2720629548. Its totient is φ = 777322724.

The previous prime is 1554645409. The next prime is 1554645467. The reversal of 1554645452 is 2545464551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194330678 + ... + 194330685.

It is an arithmetic number, because the mean of its divisors is an integer number (453438258).

Almost surely, 2^1554645452 is an apocalyptic number.

It is an amenable number.

1554645452 is a deficient number, since it is larger than the sum of its proper divisors (1165984096).

1554645452 is a wasteful number, since it uses less digits than its factorization.

1554645452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388661367 (or 388661365 counting only the distinct ones).

The product of its digits is 480000, while the sum is 41.

The square root of 1554645452 is about 39428.9925308776. The cubic root of 1554645452 is about 1158.4495367690.

The spelling of 1554645452 in words is "one billion, five hundred fifty-four million, six hundred forty-five thousand, four hundred fifty-two".