20145425253141 has 32 divisors (see below), whose sum is σ = 28384532352000. Its totient is φ = 12673822768128.

The previous prime is 20145425253029. The next prime is 20145425253211. The reversal of 20145425253141 is 14135252454102.

It is not a de Polignac number, because 20145425253141 - 2¹³ = 20145425244949 is a prime.

It is a super-2 number, since 2×20145425253141² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20145425253141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20145425253241) 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, 169773730 + ... + 169892348.

It is an arithmetic number, because the mean of its divisors is an integer number (887016636000).

Almost surely, 2^{20145425253141} is an apocalyptic number.

It is an amenable number.

20145425253141 is a deficient number, since it is larger than the sum of its proper divisors (8239107098859).

20145425253141 is a wasteful number, since it uses less digits than its factorization.

20145425253141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130233.

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 20145425253141 in words is "twenty trillion, one hundred forty-five billion, four hundred twenty-five million, two hundred fifty-three thousand, one hundred forty-one".