142722300 has 288 divisors, whose sum is σ = 513856000. Its totient is φ = 30481920.

The previous prime is 142722287. The next prime is 142722313. The reversal of 142722300 is 3227241.

It is an interprime number because it is at equal distance from previous prime (142722287) and next prime (142722313).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1955064 + ... + 1955136.

Almost surely, 2^142722300 is an apocalyptic number.

142722300 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 142722300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256928000).

142722300 is an abundant number, since it is smaller than the sum of its proper divisors (371133700).

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

142722300 is a wasteful number, since it uses less digits than its factorization.

142722300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 142722300 is about 11946.6438801866. The cubic root of 142722300 is about 522.5934297186.

Adding to 142722300 its reverse (3227241), we get a palindrome (145949541).

The spelling of 142722300 in words is "one hundred forty-two million, seven hundred twenty-two thousand, three hundred".