2148572557454 has 4 divisors (see below), whose sum is σ = 3222858836184. Its totient is φ = 1074286278726.

The previous prime is 2148572557441. The next prime is 2148572557463. The reversal of 2148572557454 is 4547552758412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2148572557393 and 2148572557402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537143139362 + ... + 537143139365.

It is an arithmetic number, because the mean of its divisors is an integer number (805714709046).

Almost surely, 2^{2148572557454} is an apocalyptic number.

2148572557454 is a deficient number, since it is larger than the sum of its proper divisors (1074286278730).

2148572557454 is a wasteful number, since it uses less digits than its factorization.

2148572557454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074286278729.

The product of its digits is 62720000, while the sum is 59.

The spelling of 2148572557454 in words is "two trillion, one hundred forty-eight billion, five hundred seventy-two million, five hundred fifty-seven thousand, four hundred fifty-four".