142819416 has 32 divisors (see below), whose sum is σ = 396721200. Its totient is φ = 47606400.

The previous prime is 142819399. The next prime is 142819423. The reversal of 142819416 is 614918241.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330385 + ... + 330816.

Almost surely, 2^142819416 is an apocalyptic number.

It is an amenable number.

142819416 is an abundant number, since it is smaller than the sum of its proper divisors (253901784).

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

142819416 is a wasteful number, since it uses less digits than its factorization.

142819416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661216 (or 661206 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 142819416 is about 11950.7077614675. The cubic root of 142819416 is about 522.7119364886.

The spelling of 142819416 in words is "one hundred forty-two million, eight hundred nineteen thousand, four hundred sixteen".