145630853063781 has 32 divisors (see below), whose sum is σ = 204465985536000. Its totient is φ = 91945073626560.

The previous prime is 145630853063779. The next prime is 145630853063791. The reversal of 145630853063781 is 187360358036541.

It is not a de Polignac number, because 145630853063781 - 2¹ = 145630853063779 is a prime.

It is a super-2 number, since 2×145630853063781² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145630853063711) 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, 2422024140 + ... + 2422084266.

It is an arithmetic number, because the mean of its divisors is an integer number (6389562048000).

Almost surely, 2^{145630853063781} is an apocalyptic number.

It is an amenable number.

145630853063781 is a deficient number, since it is larger than the sum of its proper divisors (58835132472219).

145630853063781 is a wasteful number, since it uses less digits than its factorization.

145630853063781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74369.

The product of its (nonzero) digits is 43545600, while the sum is 60.

The spelling of 145630853063781 in words is "one hundred forty-five trillion, six hundred thirty billion, eight hundred fifty-three million, sixty-three thousand, seven hundred eighty-one".