145040200452 has 48 divisors (see below), whose sum is σ = 429748744320. Its totient is φ = 41440057056.

The previous prime is 145040200451. The next prime is 145040200471. The reversal of 145040200452 is 254002040541.

145040200452 is a `hidden beast` number, since 1 + 4 + 5 + 0 + 4 + 0 + 200 + 452 = 666.

145040200452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (145040200451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95925303 + ... + 95926814.

It is an arithmetic number, because the mean of its divisors is an integer number (8953098840).

Almost surely, 2^145040200452 is an apocalyptic number.

145040200452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145040200452 is an abundant number, since it is smaller than the sum of its proper divisors (284708543868).

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

145040200452 is a wasteful number, since it uses less digits than its factorization.

145040200452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191852137 (or 191852129 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 145040200452 its reverse (254002040541), we get a palindrome (399042240993).

The spelling of 145040200452 in words is "one hundred forty-five billion, forty million, two hundred thousand, four hundred fifty-two".