1545053532 has 96 divisors (see below), whose sum is σ = 4138041600. Its totient is φ = 444326400.

The previous prime is 1545053519. The next prime is 1545053537. The reversal of 1545053532 is 2353505451.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 1545053493 and 1545053502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545053537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222432 + ... + 229272.

It is an arithmetic number, because the mean of its divisors is an integer number (43104600).

Almost surely, 2^1545053532 is an apocalyptic number.

1545053532 is a gapful number since it is divisible by the number (12) 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 1545053532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2069020800).

1545053532 is an abundant number, since it is smaller than the sum of its proper divisors (2592988068).

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

1545053532 is a wasteful number, since it uses less digits than its factorization.

1545053532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6947 (or 6945 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 1545053532 is about 39307.1689644523. The cubic root of 1545053532 is about 1156.0621357229.

Adding to 1545053532 its reverse (2353505451), we get a palindrome (3898558983).

The spelling of 1545053532 in words is "one billion, five hundred forty-five million, fifty-three thousand, five hundred thirty-two".