142553030 has 16 divisors (see below), whose sum is σ = 259088544. Its totient is φ = 56467200.

The previous prime is 142552981. The next prime is 142553039. The reversal of 142553030 is 30355241.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142552987 and 142553005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142553039) 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 7 ways as a sum of consecutive naturals, for example, 68171 + ... + 70230.

It is an arithmetic number, because the mean of its divisors is an integer number (16193034).

Almost surely, 2^142553030 is an apocalyptic number.

142553030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142553030 is a deficient number, since it is larger than the sum of its proper divisors (116535514).

142553030 is a wasteful number, since it uses less digits than its factorization.

142553030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138511.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 142553030 is about 11939.5573619795. The cubic root of 142553030 is about 522.3867477351.

The spelling of 142553030 in words is "one hundred forty-two million, five hundred fifty-three thousand, thirty".