142208487 has 16 divisors (see below), whose sum is σ = 214656480. Its totient is φ = 93015936.

The previous prime is 142208413. The next prime is 142208497. The reversal of 142208487 is 784802241.

It is not a de Polignac number, because 142208487 - 2⁷ = 142208359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142208497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48258 + ... + 51119.

It is an arithmetic number, because the mean of its divisors is an integer number (13416030).

Almost surely, 2^142208487 is an apocalyptic number.

142208487 is a deficient number, since it is larger than the sum of its proper divisors (72447993).

142208487 is an equidigital number, since it uses as much as digits as its factorization.

142208487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99439 (or 99433 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 142208487 is about 11925.1199993962. The cubic root of 142208487 is about 521.9655479971.

It can be divided in two parts, 142208 and 487, that multiplied together give a palindrome (69255296).

The spelling of 142208487 in words is "one hundred forty-two million, two hundred eight thousand, four hundred eighty-seven".