100345541 has 2 divisors, whose sum is σ = 100345542. Its totient is φ = 100345540.

The previous prime is 100345537. The next prime is 100345547. The reversal of 100345541 is 145543001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82283041 + 18062500 = 9071^2 + 4250^2 .

It is a cyclic number.

It is not a de Polignac number, because 100345541 - 2² = 100345537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100345547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50172770 + 50172771.

It is an arithmetic number, because the mean of its divisors is an integer number (50172771).

Almost surely, 2^100345541 is an apocalyptic number.

It is an amenable number.

100345541 is a deficient number, since it is larger than the sum of its proper divisors (1).

100345541 is an equidigital number, since it uses as much as digits as its factorization.

100345541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 100345541 is about 10017.2621509073. The cubic root of 100345541 is about 464.6928885129.

Adding to 100345541 its reverse (145543001), we get a palindrome (245888542).

The spelling of 100345541 in words is "one hundred million, three hundred forty-five thousand, five hundred forty-one".