145545245050 has 12 divisors (see below), whose sum is σ = 270714155886. Its totient is φ = 58218098000.

The previous prime is 145545245039. The next prime is 145545245077. The reversal of 145545245050 is 50542545541.

It can be written as a sum of positive squares in 3 ways, for example, as 54864161361 + 90681083689 = 234231^2 + 301133^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145545244994 and 145545245012.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1455452401 + ... + 1455452500.

Almost surely, 2^145545245050 is an apocalyptic number.

145545245050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145545245050 is a deficient number, since it is larger than the sum of its proper divisors (125168910836).

145545245050 is a wasteful number, since it uses less digits than its factorization.

145545245050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910904913 (or 2910904908 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 40.

The spelling of 145545245050 in words is "one hundred forty-five billion, five hundred forty-five million, two hundred forty-five thousand, fifty".