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142305300 = 2232521771131
BaseRepresentation
bin10000111101101…
…10100000010100
3100220202212011200
420132312200110
5242412232200
622042032500
73345401154
oct1036664024
9326685150
10142305300
1173367095
123b7a8730
1323636727
1414c84764
15c75e800
hex87b6814

142305300 has 216 divisors, whose sum is σ = 482594112. Its totient is φ = 34944000.

The previous prime is 142305299. The next prime is 142305313. The reversal of 142305300 is 3503241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1086235 + ... + 1086365.

It is an arithmetic number, because the mean of its divisors is an integer number (2234232).

Almost surely, 2142305300 is an apocalyptic number.

142305300 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 142305300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241297056).

142305300 is an abundant number, since it is smaller than the sum of its proper divisors (340288812).

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

142305300 is a wasteful number, since it uses less digits than its factorization.

142305300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 142305300 is about 11929.1785132087. The cubic root of 142305300 is about 522.0839694046.

Adding to 142305300 its reverse (3503241), we get a palindrome (145808541).

The spelling of 142305300 in words is "one hundred forty-two million, three hundred five thousand, three hundred".