142005254 has 8 divisors (see below), whose sum is σ = 216008208. Its totient is φ = 70002520.

The previous prime is 142005251. The next prime is 142005287. The reversal of 142005254 is 452500241.

It is a happy number.

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

142005254 is a modest number, since divided by 5254 gives 142 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142005251) 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, 499877 + ... + 500160.

It is an arithmetic number, because the mean of its divisors is an integer number (27001026).

Almost surely, 2^142005254 is an apocalyptic number.

142005254 is a deficient number, since it is larger than the sum of its proper divisors (74002954).

142005254 is a wasteful number, since it uses less digits than its factorization.

142005254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000110.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 142005254 is about 11916.5957387167. The cubic root of 142005254 is about 521.7167789758.

Adding to 142005254 its reverse (452500241), we get a palindrome (594505495).

The spelling of 142005254 in words is "one hundred forty-two million, five thousand, two hundred fifty-four".