142401345 has 16 divisors (see below), whose sum is σ = 234000960. Its totient is φ = 73894464.

The previous prime is 142401313. The next prime is 142401353. The reversal of 142401345 is 543104241.

It is not a de Polignac number, because 142401345 - 2⁵ = 142401313 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127735 + ... + 128844.

It is an arithmetic number, because the mean of its divisors is an integer number (14625060).

Almost surely, 2^142401345 is an apocalyptic number.

142401345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142401345 is a deficient number, since it is larger than the sum of its proper divisors (91599615).

142401345 is a wasteful number, since it uses less digits than its factorization.

142401345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256624.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 142401345 is about 11933.2034676360. The cubic root of 142401345 is about 522.2013983364.

Adding to 142401345 its reverse (543104241), we get a palindrome (685505586).

The spelling of 142401345 in words is "one hundred forty-two million, four hundred one thousand, three hundred forty-five".