142551414 has 80 divisors (see below), whose sum is σ = 348044400. Its totient is φ = 43436736.

The previous prime is 142551403. The next prime is 142551419. The reversal of 142551414 is 414155241.

142551414 is a `hidden beast` number, since 142 + 5 + 514 + 1 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142551419) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 88464 + ... + 90060.

It is an arithmetic number, because the mean of its divisors is an integer number (4350555).

Almost surely, 2^142551414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142551414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174022200).

142551414 is an abundant number, since it is smaller than the sum of its proper divisors (205492986).

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

142551414 is a wasteful number, since it uses less digits than its factorization.

142551414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1650 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 142551414 is about 11939.4896875872. The cubic root of 142551414 is about 522.3847737792.

The spelling of 142551414 in words is "one hundred forty-two million, five hundred fifty-one thousand, four hundred fourteen".