103445021541 has 32 divisors (see below), whose sum is σ = 142184448000. Its totient is φ = 66848950080.

The previous prime is 103445021507. The next prime is 103445021551. The reversal of 103445021541 is 145120544301.

It is a de Polignac number, because none of the positive numbers 2^k-103445021541 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103445021499 and 103445021508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103445021501) 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, 43118860 + ... + 43121258.

It is an arithmetic number, because the mean of its divisors is an integer number (4443264000).

Almost surely, 2^103445021541 is an apocalyptic number.

It is an amenable number.

103445021541 is a deficient number, since it is larger than the sum of its proper divisors (38739426459).

103445021541 is a wasteful number, since it uses less digits than its factorization.

103445021541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 103445021541 its reverse (145120544301), we get a palindrome (248565565842).

The spelling of 103445021541 in words is "one hundred three billion, four hundred forty-five million, twenty-one thousand, five hundred forty-one".