142214100 has 144 divisors (see below), whose sum is σ = 473886336. Its totient is φ = 32256000.

The previous prime is 142214099. The next prime is 142214101. The reversal of 142214100 is 1412241.

It is an interprime number because it is at equal distance from previous prime (142214099) and next prime (142214101).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 142214100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142214101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 505960 + ... + 506240.

Almost surely, 2^142214100 is an apocalyptic number.

142214100 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 142214100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236943168).

142214100 is an abundant number, since it is smaller than the sum of its proper divisors (331672236).

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

142214100 is a wasteful number, since it uses less digits than its factorization.

142214100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 142214100 is about 11925.3553406177. The cubic root of 142214100 is about 521.9724152714.

Adding to 142214100 its reverse (1412241), we get a palindrome (143626341).

The spelling of 142214100 in words is "one hundred forty-two million, two hundred fourteen thousand, one hundred".