1553144254 has 8 divisors (see below), whose sum is σ = 2333556288. Its totient is φ = 775292160.

The previous prime is 1553144249. The next prime is 1553144287. The reversal of 1553144254 is 4524413551.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 638467 + ... + 640894.

It is an arithmetic number, because the mean of its divisors is an integer number (291694536).

Almost surely, 2^1553144254 is an apocalyptic number.

1553144254 is a deficient number, since it is larger than the sum of its proper divisors (780412034).

1553144254 is a wasteful number, since it uses less digits than its factorization.

1553144254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279970.

The product of its digits is 48000, while the sum is 34.

The square root of 1553144254 is about 39409.9512052476. The cubic root of 1553144254 is about 1158.0765423597.

The spelling of 1553144254 in words is "one billion, five hundred fifty-three million, one hundred forty-four thousand, two hundred fifty-four".