1522553544045 has 144 divisors (see below), whose sum is σ = 2873440552320. Its totient is φ = 745134453504.

The previous prime is 1522553544011. The next prime is 1522553544047. The reversal of 1522553544045 is 5404453552251.

1522553544045 is a `hidden beast` number, since 1 + 5 + 2 + 2 + 553 + 54 + 4 + 0 + 45 = 666.

It is not a de Polignac number, because 1522553544045 - 2¹⁵ = 1522553511277 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522553544047) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 136436176 + ... + 136447334.

It is an arithmetic number, because the mean of its divisors is an integer number (19954448280).

Almost surely, 2^{1522553544045} is an apocalyptic number.

1522553544045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1522553544045 is a deficient number, since it is larger than the sum of its proper divisors (1350887008275).

1522553544045 is a wasteful number, since it uses less digits than its factorization.

1522553544045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11472 (or 11450 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 45.

The spelling of 1522553544045 in words is "one trillion, five hundred twenty-two billion, five hundred fifty-three million, five hundred forty-four thousand, forty-five".