145423040031126 has 48 divisors (see below), whose sum is σ = 370167738267600. Its totient is φ = 40677773434560.

The previous prime is 145423040031119. The next prime is 145423040031233. The reversal of 145423040031126 is 621130040324541.

145423040031126 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 230 + 400 + 3 + 1 + 12 + 6 = 666.

It is a super-2 number, since 2×145423040031126² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28248451201 + ... + 28248456348.

It is an arithmetic number, because the mean of its divisors is an integer number (7711827880575).

Almost surely, 2^{145423040031126} is an apocalyptic number.

145423040031126 is an abundant number, since it is smaller than the sum of its proper divisors (224744698236474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145423040031126 is a wasteful number, since it uses less digits than its factorization.

145423040031126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56496907581 (or 56496907578 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 145423040031126 its reverse (621130040324541), we get a palindrome (766553080355667).

The spelling of 145423040031126 in words is "one hundred forty-five trillion, four hundred twenty-three billion, forty million, thirty-one thousand, one hundred twenty-six".