1533140232 has 64 divisors (see below), whose sum is σ = 4223714880. Its totient is φ = 460760832.

The previous prime is 1533140221. The next prime is 1533140239. The reversal of 1533140232 is 2320413351.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1533140239) 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, 43723 + ... + 70554.

It is an arithmetic number, because the mean of its divisors is an integer number (65995545).

Almost surely, 2^1533140232 is an apocalyptic number.

1533140232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1533140232 is an abundant number, since it is smaller than the sum of its proper divisors (2690574648).

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

1533140232 is a wasteful number, since it uses less digits than its factorization.

1533140232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114342 (or 114338 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1533140232 is about 39155.3346557018. The cubic root of 1533140232 is about 1153.0831525093.

Adding to 1533140232 its reverse (2320413351), we get a palindrome (3853553583).

The spelling of 1533140232 in words is "one billion, five hundred thirty-three million, one hundred forty thousand, two hundred thirty-two".