142665535430 has 16 divisors (see below), whose sum is σ = 280143233424. Its totient is φ = 51878376480.

The previous prime is 142665535421. The next prime is 142665535447. The reversal of 142665535430 is 34535566241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648479597 + ... + 648479816.

It is an arithmetic number, because the mean of its divisors is an integer number (17508952089).

Almost surely, 2^142665535430 is an apocalyptic number.

142665535430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142665535430 is a deficient number, since it is larger than the sum of its proper divisors (137477697994).

142665535430 is a wasteful number, since it uses less digits than its factorization.

142665535430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296959431.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 142665535430 in words is "one hundred forty-two billion, six hundred sixty-five million, five hundred thirty-five thousand, four hundred thirty".