45402252143121 has 48 divisors (see below), whose sum is σ = 70170918267840. Its totient is φ = 28202381400960.

The previous prime is 45402252143077. The next prime is 45402252143137. The reversal of 45402252143121 is 12134125220454.

45402252143121 is a `hidden beast` number, since 4 + 5 + 4 + 0 + 2 + 2 + 521 + 4 + 3 + 121 = 666.

It is not a de Polignac number, because 45402252143121 - 2⁶ = 45402252143057 is a prime.

It is a super-2 number, since 2×45402252143121² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45402252143921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114261030 + ... + 114657696.

It is an arithmetic number, because the mean of its divisors is an integer number (1461894130580).

Almost surely, 2^{45402252143121} is an apocalyptic number.

It is an amenable number.

45402252143121 is a deficient number, since it is larger than the sum of its proper divisors (24768666124719).

45402252143121 is a wasteful number, since it uses less digits than its factorization.

45402252143121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407726 (or 407723 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 45402252143121 its reverse (12134125220454), we get a palindrome (57536377363575).

The spelling of 45402252143121 in words is "forty-five trillion, four hundred two billion, two hundred fifty-two million, one hundred forty-three thousand, one hundred twenty-one".