142300719 has 30 divisors (see below), whose sum is σ = 233670360. Its totient is φ = 86236920.

The previous prime is 142300703. The next prime is 142300723. The reversal of 142300719 is 917003241.

It is not a de Polignac number, because 142300719 - 2⁴ = 142300703 is a prime.

It is a super-2 number, since 2×142300719² = 40498989255833922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 142300692 and 142300701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142300729) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2542 + ... + 17060.

It is an arithmetic number, because the mean of its divisors is an integer number (7789012).

Almost surely, 2^142300719 is an apocalyptic number.

142300719 is a deficient number, since it is larger than the sum of its proper divisors (91369641).

142300719 is a wasteful number, since it uses less digits than its factorization.

142300719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14553 (or 14533 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 142300719 is about 11928.9865034713. The cubic root of 142300719 is about 522.0783671482.

The spelling of 142300719 in words is "one hundred forty-two million, three hundred thousand, seven hundred nineteen".