142161430 has 16 divisors (see below), whose sum is σ = 256250160. Its totient is φ = 56784672.

The previous prime is 142161419. The next prime is 142161431. The reversal of 142161430 is 34161241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142161431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229 + ... + 17008.

It is an arithmetic number, because the mean of its divisors is an integer number (16015635).

Almost surely, 2^142161430 is an apocalyptic number.

142161430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142161430 is a deficient number, since it is larger than the sum of its proper divisors (114088730).

142161430 is a wasteful number, since it uses less digits than its factorization.

142161430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19983.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 142161430 is about 11923.1468161723. The cubic root of 142161430 is about 521.9079685867.

The spelling of 142161430 in words is "one hundred forty-two million, one hundred sixty-one thousand, four hundred thirty".