145223515425430 has 64 divisors (see below), whose sum is σ = 286130984944896. Its totient is φ = 52740876672000.

The previous prime is 145223515425421. The next prime is 145223515425497. The reversal of 145223515425430 is 34524515322541.

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 31 ways as a sum of consecutive naturals, for example, 456934275 + ... + 457251985.

It is an arithmetic number, because the mean of its divisors is an integer number (4470796639764).

Almost surely, 2^{145223515425430} is an apocalyptic number.

145223515425430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145223515425430 is a deficient number, since it is larger than the sum of its proper divisors (140907469519466).

145223515425430 is a wasteful number, since it uses less digits than its factorization.

145223515425430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375433.

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 145223515425430 in words is "one hundred forty-five trillion, two hundred twenty-three billion, five hundred fifteen million, four hundred twenty-five thousand, four hundred thirty".