142751430 has 32 divisors (see below), whose sum is σ = 380671200. Its totient is φ = 38066976.

The previous prime is 142751383. The next prime is 142751449. The reversal of 142751430 is 34157241.

142751430 is a `hidden beast` number, since 142 + 7 + 514 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 142751394 and 142751403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264085 + ... + 264624.

It is an arithmetic number, because the mean of its divisors is an integer number (11895975).

Almost surely, 2^142751430 is an apocalyptic number.

142751430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142751430 is an abundant number, since it is smaller than the sum of its proper divisors (237919770).

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

142751430 is a wasteful number, since it uses less digits than its factorization.

142751430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528725 (or 528719 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 142751430 is about 11947.8629888361. The cubic root of 142751430 is about 522.6289815350.

The spelling of 142751430 in words is "one hundred forty-two million, seven hundred fifty-one thousand, four hundred thirty".