1022153522454 has 96 divisors (see below), whose sum is σ = 2357018149824. Its totient is φ = 319420907520.

The previous prime is 1022153522419. The next prime is 1022153522501. The reversal of 1022153522454 is 4542253512201.

1022153522454 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 153 + 52 + 2 + 454 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21413494 + ... + 21461174.

It is an arithmetic number, because the mean of its divisors is an integer number (24552272394).

Almost surely, 2^{1022153522454} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022153522454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178509074912).

1022153522454 is an abundant number, since it is smaller than the sum of its proper divisors (1334864627370).

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

1022153522454 is a wasteful number, since it uses less digits than its factorization.

1022153522454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48742 (or 48739 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 1022153522454 in words is "one trillion, twenty-two billion, one hundred fifty-three million, five hundred twenty-two thousand, four hundred fifty-four".