1066144254 has 48 divisors (see below), whose sum is σ = 2588277888. Its totient is φ = 291366768.

The previous prime is 1066144253. The next prime is 1066144259. The reversal of 1066144254 is 4524416601.

It is a super-2 number, since 2×1066144254² = 2273327140674433032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066144253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72072 + ... + 85595.

It is an arithmetic number, because the mean of its divisors is an integer number (53922456).

Almost surely, 2^1066144254 is an apocalyptic number.

1066144254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1066144254 is an abundant number, since it is smaller than the sum of its proper divisors (1522133634).

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

1066144254 is a wasteful number, since it uses less digits than its factorization.

1066144254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157709 (or 157702 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1066144254 is about 32651.8644796894. The cubic root of 1066144254 is about 1021.5790785550.

The spelling of 1066144254 in words is "one billion, sixty-six million, one hundred forty-four thousand, two hundred fifty-four".