145340130123 has 12 divisors (see below), whose sum is σ = 222284905128. Its totient is φ = 91193807040.

The previous prime is 145340130113. The next prime is 145340130137. The reversal of 145340130123 is 321031043541.

It is a happy number.

145340130123 is a `hidden beast` number, since 1 + 4 + 534 + 0 + 1 + 3 + 0 + 123 = 666.

It is not a de Polignac number, because 145340130123 - 2⁶ = 145340130059 is a prime.

It is a super-2 number, since 2×145340130123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145340130113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474967593 + ... + 474967898.

It is an arithmetic number, because the mean of its divisors is an integer number (18523742094).

Almost surely, 2^145340130123 is an apocalyptic number.

145340130123 is a deficient number, since it is larger than the sum of its proper divisors (76944775005).

145340130123 is a wasteful number, since it uses less digits than its factorization.

145340130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949935514 (or 949935511 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 145340130123 its reverse (321031043541), we get a palindrome (466371173664).

It can be divided in two parts, 1453401 and 30123, that added together give a square (1483524 = 1218²).

The spelling of 145340130123 in words is "one hundred forty-five billion, three hundred forty million, one hundred thirty thousand, one hundred twenty-three".