131153145020145 has 16 divisors (see below), whose sum is σ = 233161146702720. Its totient is φ = 69948344010672.

The previous prime is 131153145020111. The next prime is 131153145020153. The reversal of 131153145020145 is 541020541351131.

131153145020145 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 5 + 3 + 1 + 4 + 502 + 0 + 145 = 666.

It is not a de Polignac number, because 131153145020145 - 2⁸ = 131153145019889 is a prime.

It is a super-2 number, since 2×131153145020145² (a number of 29 digits) contains 22 as substring.

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, 485752388829 + ... + 485752389098.

It is an arithmetic number, because the mean of its divisors is an integer number (14572571668920).

Almost surely, 2^{131153145020145} is an apocalyptic number.

131153145020145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131153145020145 is a deficient number, since it is larger than the sum of its proper divisors (102008001682575).

131153145020145 is an equidigital number, since it uses as much as digits as its factorization.

131153145020145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971504777941 (or 971504777935 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 131153145020145 its reverse (541020541351131), we get a palindrome (672173686371276).

The spelling of 131153145020145 in words is "one hundred thirty-one trillion, one hundred fifty-three billion, one hundred forty-five million, twenty thousand, one hundred forty-five".