145231232553050 has 48 divisors (see below), whose sum is σ = 322142719082112. Its totient is φ = 47628627816000.

The previous prime is 145231232553049. The next prime is 145231232553053. The reversal of 145231232553050 is 50355232132541.

It is a super-2 number, since 2×145231232553050² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145231232552989 and 145231232553007.

It is not an unprimeable number, because it can be changed into a prime (145231232553053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9020565401 + ... + 9020581500.

It is an arithmetic number, because the mean of its divisors is an integer number (6711306647544).

Almost surely, 2^{145231232553050} is an apocalyptic number.

145231232553050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145231232553050 is an abundant number, since it is smaller than the sum of its proper divisors (176911486529062).

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

145231232553050 is a wasteful number, since it uses less digits than its factorization.

145231232553050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18041146943 (or 18041146938 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 145231232553050 its reverse (50355232132541), we get a palindrome (195586464685591).

The spelling of 145231232553050 in words is "one hundred forty-five trillion, two hundred thirty-one billion, two hundred thirty-two million, five hundred fifty-three thousand, fifty".