100545445604 has 12 divisors (see below), whose sum is σ = 175960850604. Its totient is φ = 50270916864.

The previous prime is 100545445603. The next prime is 100545445669. The reversal of 100545445604 is 406544545001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53782248100 + 46763197504 = 231910^2 + 216248^2 .

It is not an unprimeable number, because it can be changed into a prime (100545445603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322097 + ... + 552120.

It is an arithmetic number, because the mean of its divisors is an integer number (14663404217).

Almost surely, 2^100545445604 is an apocalyptic number.

It is an amenable number.

100545445604 is a deficient number, since it is larger than the sum of its proper divisors (75415405000).

100545445604 is a wasteful number, since it uses less digits than its factorization.

100545445604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902974 (or 902972 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 100545445604 in words is "one hundred billion, five hundred forty-five million, four hundred forty-five thousand, six hundred four".