1554145120 has 96 divisors (see below), whose sum is σ = 4054095360. Its totient is φ = 558282240.

The previous prime is 1554145069. The next prime is 1554145127. The reversal of 1554145120 is 215414551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554145127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140761 + ... + 151399.

It is an arithmetic number, because the mean of its divisors is an integer number (42230160).

Almost surely, 2^1554145120 is an apocalyptic number.

1554145120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1554145120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2027047680).

1554145120 is an abundant number, since it is smaller than the sum of its proper divisors (2499950240).

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

1554145120 is a wasteful number, since it uses less digits than its factorization.

1554145120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10748 (or 10740 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1554145120 is about 39422.6472982219. The cubic root of 1554145120 is about 1158.3252487172.

Adding to 1554145120 its reverse (215414551), we get a palindrome (1769559671).

The spelling of 1554145120 in words is "one billion, five hundred fifty-four million, one hundred forty-five thousand, one hundred twenty".