4145431403052 has 72 divisors (see below), whose sum is σ = 10546336120320. Its totient is φ = 1372921411680.

The previous prime is 4145431402999. The next prime is 4145431403063. The reversal of 4145431403052 is 2503041345414.

4145431403052 is a `hidden beast` number, since 4 + 145 + 431 + 4 + 0 + 30 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4145431402998 and 4145431403016.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3267777 + ... + 4355367.

It is an arithmetic number, because the mean of its divisors is an integer number (146476890560).

Almost surely, 2^{4145431403052} is an apocalyptic number.

It is an amenable number.

4145431403052 is an abundant number, since it is smaller than the sum of its proper divisors (6400904717268).

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

4145431403052 is a wasteful number, since it uses less digits than its factorization.

4145431403052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088283 (or 1088278 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 4145431403052 its reverse (2503041345414), we get a palindrome (6648472748466).

The spelling of 4145431403052 in words is "four trillion, one hundred forty-five billion, four hundred thirty-one million, four hundred three thousand, fifty-two".