1025146143 has 24 divisors (see below), whose sum is σ = 1750663200. Its totient is φ = 565596864.

The previous prime is 1025146141. The next prime is 1025146151. The reversal of 1025146143 is 3416415201.

It is a happy number.

1025146143 is a `hidden beast` number, since 1 + 0 + 2 + 514 + 6 + 143 = 666.

It is not a de Polignac number, because 1025146143 - 2¹ = 1025146141 is a prime.

It is a super-2 number, since 2×1025146143² = 2101849229015552898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025146141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278728 + ... + 282381.

It is an arithmetic number, because the mean of its divisors is an integer number (72944300).

Almost surely, 2^1025146143 is an apocalyptic number.

1025146143 is a deficient number, since it is larger than the sum of its proper divisors (725517057).

1025146143 is a wasteful number, since it uses less digits than its factorization.

1025146143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561151 (or 561148 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1025146143 is about 32017.9034760242. The cubic root of 1025146143 is about 1008.3127543068.

The spelling of 1025146143 in words is "one billion, twenty-five million, one hundred forty-six thousand, one hundred forty-three".