1554225152 has 24 divisors (see below), whose sum is σ = 3107695500. Its totient is φ = 777111552.

The previous prime is 1554225151. The next prime is 1554225157. The reversal of 1554225152 is 2515224551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554225151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377402 + ... + 381497.

Almost surely, 2^1554225152 is an apocalyptic number.

It is an amenable number.

1554225152 is a deficient number, since it is larger than the sum of its proper divisors (1553470348).

1554225152 is an frugal number, since it uses more digits than its factorization.

1554225152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758921 (or 758901 counting only the distinct ones).

The product of its digits is 20000, while the sum is 32.

The square root of 1554225152 is about 39423.6623362163. The cubic root of 1554225152 is about 1158.3451313511.

The spelling of 1554225152 in words is "one billion, five hundred fifty-four million, two hundred twenty-five thousand, one hundred fifty-two".