142644569019 has 8 divisors (see below), whose sum is σ = 191561052480. Its totient is φ = 94412232456.

The previous prime is 142644569003. The next prime is 142644569021. The reversal of 142644569019 is 910965446241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142644569019 - 2⁴ = 142644569003 is a prime.

It is a super-2 number, since 2×142644569019² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142644569029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171036237 + ... + 171037070.

It is an arithmetic number, because the mean of its divisors is an integer number (23945131560).

Almost surely, 2^142644569019 is an apocalyptic number.

142644569019 is a deficient number, since it is larger than the sum of its proper divisors (48916483461).

142644569019 is a wasteful number, since it uses less digits than its factorization.

142644569019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342073449.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 142644569019 in words is "one hundred forty-two billion, six hundred forty-four million, five hundred sixty-nine thousand, nineteen".