142007408 has 10 divisors (see below), whose sum is σ = 275139384. Its totient is φ = 71003696.

The previous prime is 142007389. The next prime is 142007417. The reversal of 142007408 is 804700241.

142007408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142007408² = 40332207853756928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4437716 + ... + 4437747.

Almost surely, 2^142007408 is an apocalyptic number.

It is an amenable number.

142007408 is a deficient number, since it is larger than the sum of its proper divisors (133131976).

142007408 is an equidigital number, since it uses as much as digits as its factorization.

142007408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8875471 (or 8875465 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 142007408 is about 11916.6861165342. The cubic root of 142007408 is about 521.7194168413.

Adding to 142007408 its reverse (804700241), we get a palindrome (946707649).

The spelling of 142007408 in words is "one hundred forty-two million, seven thousand, four hundred eight".