145123153320 has 64 divisors (see below), whose sum is σ = 435405600000. Its totient is φ = 38696295168.

The previous prime is 145123153303. The next prime is 145123153321. The reversal of 145123153320 is 23351321541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (145123153321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636686 + ... + 1723074.

It is an arithmetic number, because the mean of its divisors is an integer number (6803212500).

Almost surely, 2^145123153320 is an apocalyptic number.

145123153320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145123153320 is an abundant number, since it is smaller than the sum of its proper divisors (290282446680).

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

145123153320 is a wasteful number, since it uses less digits than its factorization.

145123153320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100402 (or 100398 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 145123153320 its reverse (23351321541), we get a palindrome (168474474861).

The spelling of 145123153320 in words is "one hundred forty-five billion, one hundred twenty-three million, one hundred fifty-three thousand, three hundred twenty".