142224499 has 4 divisors (see below), whose sum is σ = 150590664. Its totient is φ = 133858336.

The previous prime is 142224461. The next prime is 142224503. The reversal of 142224499 is 994422241.

142224499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142224499 - 2⁷ = 142224371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142224799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4183057 + ... + 4183090.

It is an arithmetic number, because the mean of its divisors is an integer number (37647666).

Almost surely, 2^142224499 is an apocalyptic number.

142224499 is a deficient number, since it is larger than the sum of its proper divisors (8366165).

142224499 is an equidigital number, since it uses as much as digits as its factorization.

142224499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8366164.

The product of its digits is 41472, while the sum is 37.

The square root of 142224499 is about 11925.7913364271. The cubic root of 142224499 is about 521.9851375421.

It can be divided in two parts, 14222 and 4499, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 142224499 in words is "one hundred forty-two million, two hundred twenty-four thousand, four hundred ninety-nine".