145243226450 has 96 divisors (see below), whose sum is σ = 316589153664. Its totient is φ = 48547952640.

The previous prime is 145243226369. The next prime is 145243226477. The reversal of 145243226450 is 54622342541.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2242724 + ... + 2306576.

It is an arithmetic number, because the mean of its divisors is an integer number (3297803684).

Almost surely, 2^145243226450 is an apocalyptic number.

145243226450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145243226450 is an abundant number, since it is smaller than the sum of its proper divisors (171345927214).

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

145243226450 is a wasteful number, since it uses less digits than its factorization.

145243226450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64036 (or 64031 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 145243226450 its reverse (54622342541), we get a palindrome (199865568991).

The spelling of 145243226450 in words is "one hundred forty-five billion, two hundred forty-three million, two hundred twenty-six thousand, four hundred fifty".