142427700 has 288 divisors, whose sum is σ = 506217600. Its totient is φ = 34191360.

The previous prime is 142427687. The next prime is 142427713. The reversal of 142427700 is 7724241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142427687) and next prime (142427713).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1331047 + ... + 1331153.

It is an arithmetic number, because the mean of its divisors is an integer number (1757700).

Almost surely, 2^142427700 is an apocalyptic number.

142427700 is a gapful number since it is divisible by the number (10) 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 142427700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253108800).

142427700 is an abundant number, since it is smaller than the sum of its proper divisors (363789900).

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

142427700 is a wasteful number, since it uses less digits than its factorization.

142427700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 142427700 is about 11934.3076883412. The cubic root of 142427700 is about 522.2336119106.

The spelling of 142427700 in words is "one hundred forty-two million, four hundred twenty-seven thousand, seven hundred".