142344730 has 32 divisors (see below), whose sum is σ = 280101888. Its totient is φ = 51652800.

The previous prime is 142344721. The next prime is 142344733. The reversal of 142344730 is 37443241.

142344730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×142344730³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (142344733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66375 + ... + 68485.

It is an arithmetic number, because the mean of its divisors is an integer number (8753184).

Almost surely, 2^142344730 is an apocalyptic number.

142344730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142344730 is a deficient number, since it is larger than the sum of its proper divisors (137757158).

142344730 is a wasteful number, since it uses less digits than its factorization.

142344730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 142344730 is about 11930.8310691251. The cubic root of 142344730 is about 522.1321846852.

Adding to 142344730 its reverse (37443241), we get a palindrome (179787971).

The spelling of 142344730 in words is "one hundred forty-two million, three hundred forty-four thousand, seven hundred thirty".