142457616 has 200 divisors, whose sum is σ = 483969024. Its totient is φ = 39605760.

The previous prime is 142457597. The next prime is 142457621. The reversal of 142457616 is 616754241.

142457616 is a `hidden beast` number, since 14 + 24 + 5 + 7 + 616 = 666.

142457616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 371761 + ... + 372143.

Almost surely, 2^142457616 is an apocalyptic number.

142457616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142457616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241984512).

142457616 is an abundant number, since it is smaller than the sum of its proper divisors (341511408).

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

142457616 is a wasteful number, since it uses less digits than its factorization.

142457616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 436 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 142457616 is about 11935.5609838834. The cubic root of 142457616 is about 522.2701732607.

The spelling of 142457616 in words is "one hundred forty-two million, four hundred fifty-seven thousand, six hundred sixteen".