145350254452 has 24 divisors (see below), whose sum is σ = 274904190792. Its totient is φ = 66845990400.

The previous prime is 145350254447. The next prime is 145350254459. The reversal of 145350254452 is 254452053541.

It can be written as a sum of positive squares in 4 ways, for example, as 25984150416 + 119366104036 = 161196^2 + 345494^2 .

It is a super-2 number, since 2×145350254452² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145350254459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4959049 + ... + 4988272.

It is an arithmetic number, because the mean of its divisors is an integer number (11454341283).

Almost surely, 2^145350254452 is an apocalyptic number.

It is an amenable number.

145350254452 is a deficient number, since it is larger than the sum of its proper divisors (129553936340).

145350254452 is a wasteful number, since it uses less digits than its factorization.

145350254452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9947619 (or 9947617 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 145350254452 in words is "one hundred forty-five billion, three hundred fifty million, two hundred fifty-four thousand, four hundred fifty-two".