1552345100 has 18 divisors (see below), whose sum is σ = 3368589084. Its totient is φ = 620938000.

The previous prime is 1552345063. The next prime is 1552345103. The reversal of 1552345100 is 15432551.

It is a self number, because there is not a number n which added to its sum of digits gives 1552345100.

It is not an unprimeable number, because it can be changed into a prime (1552345103) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 7761626 + ... + 7761825.

It is an arithmetic number, because the mean of its divisors is an integer number (187143838).

Almost surely, 2^1552345100 is an apocalyptic number.

1552345100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552345100 is an abundant number, since it is smaller than the sum of its proper divisors (1816243984).

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

1552345100 is a wasteful number, since it uses less digits than its factorization.

1552345100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15523465 (or 15523458 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1552345100 is about 39399.8109132519. The cubic root of 1552345100 is about 1157.8778829249.

Adding to 1552345100 its reverse (15432551), we get a palindrome (1567777651).

The spelling of 1552345100 in words is "one billion, five hundred fifty-two million, three hundred forty-five thousand, one hundred".