145305210423050 has 48 divisors (see below), whose sum is σ = 270803510216064. Its totient is φ = 58006868400000.

The previous prime is 145305210423031. The next prime is 145305210423083. The reversal of 145305210423050 is 50324012503541.

It is a super-2 number, since 2×145305210423050² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145305210423050.

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 23 ways as a sum of consecutive naturals, for example, 433591055 + ... + 433926045.

It is an arithmetic number, because the mean of its divisors is an integer number (5641739796168).

Almost surely, 2^{145305210423050} is an apocalyptic number.

145305210423050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145305210423050 is a deficient number, since it is larger than the sum of its proper divisors (125498299793014).

145305210423050 is a wasteful number, since it uses less digits than its factorization.

145305210423050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352175 (or 352170 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 145305210423050 its reverse (50324012503541), we get a palindrome (195629222926591).

The spelling of 145305210423050 in words is "one hundred forty-five trillion, three hundred five billion, two hundred ten million, four hundred twenty-three thousand, fifty".