1545520252022 has 8 divisors (see below), whose sum is σ = 2319794608872. Its totient is φ = 772255382400.

The previous prime is 1545520252019. The next prime is 1545520252027. The reversal of 1545520252022 is 2202520255451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545520252027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252367979 + ... + 252374102.

It is an arithmetic number, because the mean of its divisors is an integer number (289974326109).

Almost surely, 2^{1545520252022} is an apocalyptic number.

1545520252022 is a deficient number, since it is larger than the sum of its proper divisors (774274356850).

1545520252022 is a wasteful number, since it uses less digits than its factorization.

1545520252022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504743614.

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 1545520252022 in words is "one trillion, five hundred forty-five billion, five hundred twenty million, two hundred fifty-two thousand, twenty-two".