100532545 has 4 divisors (see below), whose sum is σ = 120639060. Its totient is φ = 80426032.

The previous prime is 100532503. The next prime is 100532557. The reversal of 100532545 is 545235001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46009089 + 54523456 = 6783^2 + 7384^2 .

It is a cyclic number.

It is not a de Polignac number, because 100532545 - 2⁷ = 100532417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10053250 + ... + 10053259.

It is an arithmetic number, because the mean of its divisors is an integer number (30159765).

Almost surely, 2^100532545 is an apocalyptic number.

It is an amenable number.

100532545 is a deficient number, since it is larger than the sum of its proper divisors (20106515).

100532545 is an equidigital number, since it uses as much as digits as its factorization.

100532545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20106514.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 100532545 is about 10026.5918935598. The cubic root of 100532545 is about 464.9813766774.

Adding to 100532545 its reverse (545235001), we get a palindrome (645767546).

The spelling of 100532545 in words is "one hundred million, five hundred thirty-two thousand, five hundred forty-five".