142216464 has 120 divisors (see below), whose sum is σ = 411279232. Its totient is φ = 42094080.

The previous prime is 142216447. The next prime is 142216471. The reversal of 142216464 is 464612241.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 524649 + ... + 524919.

Almost surely, 2^142216464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142216464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205639616).

142216464 is an abundant number, since it is smaller than the sum of its proper divisors (269062768).

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

142216464 is a wasteful number, since it uses less digits than its factorization.

142216464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 318 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 142216464 is about 11925.4544567492. The cubic root of 142216464 is about 521.9753074739.

The spelling of 142216464 in words is "one hundred forty-two million, two hundred sixteen thousand, four hundred sixty-four".