142787466 has 12 divisors (see below), whose sum is σ = 309372882. Its totient is φ = 47595816.

The previous prime is 142787431. The next prime is 142787467. The reversal of 142787466 is 664787241.

It can be written as a sum of positive squares in only one way, i.e., 137381841 + 5405625 = 11721^2 + 2325^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (142787467) 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, 3966301 + ... + 3966336.

Almost surely, 2^142787466 is an apocalyptic number.

142787466 is an abundant number, since it is smaller than the sum of its proper divisors (166585416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142787466 is a wasteful number, since it uses less digits than its factorization.

142787466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7932645 (or 7932642 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 142787466 is about 11949.3709457862. The cubic root of 142787466 is about 522.6729551130.

The spelling of 142787466 in words is "one hundred forty-two million, seven hundred eighty-seven thousand, four hundred sixty-six".