142474752 has 180 divisors, whose sum is σ = 479083176. Its totient is φ = 40642560.

The previous prime is 142474747. The next prime is 142474769. The reversal of 142474752 is 257474241.

142474752 is a `hidden beast` number, since 142 + 47 + 475 + 2 = 666.

142474752 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 17 ways as a sum of consecutive naturals, for example, 225477 + ... + 226107.

Almost surely, 2^142474752 is an apocalyptic number.

142474752 is a gapful number since it is divisible by the number (12) 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 142474752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239541588).

142474752 is an abundant number, since it is smaller than the sum of its proper divisors (336608424).

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

142474752 is an equidigital number, since it uses as much as digits as its factorization.

142474752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 643 counting only the distinct ones).

The product of its digits is 62720, while the sum is 36.

The square root of 142474752 is about 11936.2788171188. The cubic root of 142474752 is about 522.2911134372.

It can be divided in two parts, 1424 and 74752, that added together give a square (76176 = 276²).

The spelling of 142474752 in words is "one hundred forty-two million, four hundred seventy-four thousand, seven hundred fifty-two".