142240419 has 6 divisors (see below), whose sum is σ = 205458396. Its totient is φ = 94826940.

The previous prime is 142240409. The next prime is 142240429. The reversal of 142240419 is 914042241.

It is a happy number.

142240419 is a `hidden beast` number, since 1 + 4 + 2 + 240 + 419 = 666.

142240419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142240409) and next prime (142240429).

It is not a de Polignac number, because 142240419 - 2¹⁵ = 142207651 is a prime.

It is a super-2 number, since 2×142240419² = 40464673594591122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142240392 and 142240401.

It is not an unprimeable number, because it can be changed into a prime (142240409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7902237 + ... + 7902254.

It is an arithmetic number, because the mean of its divisors is an integer number (34243066).

Almost surely, 2^142240419 is an apocalyptic number.

142240419 is a deficient number, since it is larger than the sum of its proper divisors (63217977).

142240419 is a wasteful number, since it uses less digits than its factorization.

142240419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15804497 (or 15804494 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 142240419 is about 11926.4587786987. The cubic root of 142240419 is about 522.0046130741.

The spelling of 142240419 in words is "one hundred forty-two million, two hundred forty thousand, four hundred nineteen".