100645532 has 24 divisors (see below), whose sum is σ = 190020432. Its totient is φ = 46368000.

The previous prime is 100645507. The next prime is 100645537. The reversal of 100645532 is 235546001.

It is a super-2 number, since 2×100645532² = 20259046223126048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100645537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34532 + ... + 37332.

It is an arithmetic number, because the mean of its divisors is an integer number (7917518).

Almost surely, 2^100645532 is an apocalyptic number.

It is an amenable number.

100645532 is a deficient number, since it is larger than the sum of its proper divisors (89374900).

100645532 is a wasteful number, since it uses less digits than its factorization.

100645532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509 (or 3507 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 100645532 is about 10032.2246785048. The cubic root of 100645532 is about 465.1555066280.

The spelling of 100645532 in words is "one hundred million, six hundred forty-five thousand, five hundred thirty-two".