1533552345 has 96 divisors (see below), whose sum is σ = 3008678400. Its totient is φ = 744816384.

The previous prime is 1533552341. The next prime is 1533552353. The reversal of 1533552345 is 5432553351.

1533552345 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 1533552345 - 2² = 1533552341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1533552341) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1247191 + ... + 1248419.

It is an arithmetic number, because the mean of its divisors is an integer number (31340400).

Almost surely, 2^1533552345 is an apocalyptic number.

1533552345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1533552345 is a deficient number, since it is larger than the sum of its proper divisors (1475126055).

1533552345 is a wasteful number, since it uses less digits than its factorization.

1533552345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1329 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The square root of 1533552345 is about 39160.5968417234. The cubic root of 1533552345 is about 1153.1864607336.

It can be divided in two parts, 1533 and 552345, that added together give a triangular number (553878 = T₁₀₅₂).

The spelling of 1533552345 in words is "one billion, five hundred thirty-three million, five hundred fifty-two thousand, three hundred forty-five".