145430031225123 has 48 divisors (see below), whose sum is σ = 215436076405056. Its totient is φ = 94503652024320.

The previous prime is 145430031225107. The next prime is 145430031225137. The reversal of 145430031225123 is 321522130034541.

145430031225123 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 300 + 3 + 1 + 225 + 123 = 666.

It is not a de Polignac number, because 145430031225123 - 2⁴ = 145430031225107 is a prime.

It is a super-2 number, since 2×145430031225123² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145430031225223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 363150586 + ... + 363550832.

It is an arithmetic number, because the mean of its divisors is an integer number (4488251591772).

Almost surely, 2^{145430031225123} is an apocalyptic number.

145430031225123 is a deficient number, since it is larger than the sum of its proper divisors (70006045179933).

145430031225123 is a wasteful number, since it uses less digits than its factorization.

145430031225123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406284 (or 406281 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 145430031225123 its reverse (321522130034541), we get a palindrome (466952161259664).

The spelling of 145430031225123 in words is "one hundred forty-five trillion, four hundred thirty billion, thirty-one million, two hundred twenty-five thousand, one hundred twenty-three".