145232123311420 has 12 divisors (see below), whose sum is σ = 304987458954024. Its totient is φ = 58092849324560.

The previous prime is 145232123311391. The next prime is 145232123311423. The reversal of 145232123311420 is 24113321232541.

145232123311420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145232123311423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3630803082766 + ... + 3630803082805.

It is an arithmetic number, because the mean of its divisors is an integer number (25415621579502).

Almost surely, 2^{145232123311420} is an apocalyptic number.

145232123311420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145232123311420 is an abundant number, since it is smaller than the sum of its proper divisors (159755335642604).

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

145232123311420 is a wasteful number, since it uses less digits than its factorization.

145232123311420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7261606165580 (or 7261606165578 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 145232123311420 its reverse (24113321232541), we get a palindrome (169345444543961).

The spelling of 145232123311420 in words is "one hundred forty-five trillion, two hundred thirty-two billion, one hundred twenty-three million, three hundred eleven thousand, four hundred twenty".