252142355451 has 32 divisors (see below), whose sum is σ = 389694440448. Its totient is φ = 142027966080.

The previous prime is 252142355411. The next prime is 252142355473. The reversal of 252142355451 is 154553241252.

It is not a de Polignac number, because 252142355451 - 2¹⁷ = 252142224379 is a prime.

It is a super-3 number, since 3×252142355451³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (252142355411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12390481 + ... + 12410813.

It is an arithmetic number, because the mean of its divisors is an integer number (12177951264).

Almost surely, 2^252142355451 is an apocalyptic number.

252142355451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

252142355451 is a deficient number, since it is larger than the sum of its proper divisors (137552084997).

252142355451 is a wasteful number, since it uses less digits than its factorization.

252142355451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28731.

The product of its digits is 240000, while the sum is 39.

The spelling of 252142355451 in words is "two hundred fifty-two billion, one hundred forty-two million, three hundred fifty-five thousand, four hundred fifty-one".