100601520145 has 16 divisors (see below), whose sum is σ = 137978529408. Its totient is φ = 68978534400.

The previous prime is 100601520113. The next prime is 100601520157. The reversal of 100601520145 is 541025106001.

It is a happy number.

It is not a de Polignac number, because 100601520145 - 2⁵ = 100601520113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374470 + ... + 584320.

It is an arithmetic number, because the mean of its divisors is an integer number (8623658088).

Almost surely, 2^100601520145 is an apocalyptic number.

It is an amenable number.

100601520145 is a deficient number, since it is larger than the sum of its proper divisors (37377009263).

100601520145 is a wasteful number, since it uses less digits than its factorization.

100601520145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223560.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 100601520145 its reverse (541025106001), we get a palindrome (641626626146).

The spelling of 100601520145 in words is "one hundred billion, six hundred one million, five hundred twenty thousand, one hundred forty-five".