142255239451 has 24 divisors (see below), whose sum is σ = 155097609360. Its totient is φ = 130413628800.

The previous prime is 142255239409. The next prime is 142255239461. The reversal of 142255239451 is 154932552241.

It is not a de Polignac number, because 142255239451 - 2¹³ = 142255231259 is a prime.

It is a super-2 number, since 2×142255239451² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142255239398 and 142255239407.

It is not an unprimeable number, because it can be changed into a prime (142255239461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16288756 + ... + 16297486.

It is an arithmetic number, because the mean of its divisors is an integer number (6462400390).

Almost surely, 2^142255239451 is an apocalyptic number.

142255239451 is a deficient number, since it is larger than the sum of its proper divisors (12842369909).

142255239451 is a wasteful number, since it uses less digits than its factorization.

142255239451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9407 (or 9394 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The spelling of 142255239451 in words is "one hundred forty-two billion, two hundred fifty-five million, two hundred thirty-nine thousand, four hundred fifty-one".