15243401552445 has 48 divisors (see below), whose sum is σ = 28834568568000. Its totient is φ = 7388001173760.

The previous prime is 15243401552441. The next prime is 15243401552459. The reversal of 15243401552445 is 54425510434251.

15243401552445 is a `hidden beast` number, since 1 + 5 + 2 + 43 + 40 + 1 + 5 + 524 + 45 = 666.

15243401552445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15243401552445 - 2² = 15243401552441 is a prime.

It is a super-2 number, since 2×15243401552445² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 15243401552445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15243401552441) 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, 4368840 + ... + 7040849.

It is an arithmetic number, because the mean of its divisors is an integer number (600720178500).

Almost surely, 2^{15243401552445} is an apocalyptic number.

15243401552445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15243401552445 is a deficient number, since it is larger than the sum of its proper divisors (13591167015555).

15243401552445 is a wasteful number, since it uses less digits than its factorization.

15243401552445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11412410 (or 11412407 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 45.

Adding to 15243401552445 its reverse (54425510434251), we get a palindrome (69668911986696).

The spelling of 15243401552445 in words is "fifteen trillion, two hundred forty-three billion, four hundred one million, five hundred fifty-two thousand, four hundred forty-five".