142030509 has 16 divisors (see below), whose sum is σ = 193362624. Its totient is φ = 92707200.

The previous prime is 142030507. The next prime is 142030517. The reversal of 142030509 is 905030241.

It is not a de Polignac number, because 142030509 - 2¹ = 142030507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142030507) 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, 40974 + ... + 44304.

It is an arithmetic number, because the mean of its divisors is an integer number (12085164).

Almost surely, 2^142030509 is an apocalyptic number.

It is an amenable number.

142030509 is a deficient number, since it is larger than the sum of its proper divisors (51332115).

142030509 is a wasteful number, since it uses less digits than its factorization.

142030509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 142030509 is about 11917.6553482638. The cubic root of 142030509 is about 521.7477054753.

The spelling of 142030509 in words is "one hundred forty-two million, thirty thousand, five hundred nine".