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142545150 = 233521129331
BaseRepresentation
bin10000111111100…
…01000011111110
3100221020001012000
420133301003332
5242442421100
622051123130
73350420346
oct1037610376
9327201160
10142545150
1173510310
123b8a34a6
13236bb957
1414d07d26
15c7aa900
hex87f10fe

142545150 has 192 divisors, whose sum is σ = 444614400. Its totient is φ = 33264000.

The previous prime is 142545133. The next prime is 142545197. The reversal of 142545150 is 51545241.

142545150 is a `hidden beast` number, since 142 + 5 + 4 + 515 + 0 = 666.

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 polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 430485 + ... + 430815.

It is an arithmetic number, because the mean of its divisors is an integer number (2315700).

Almost surely, 2142545150 is an apocalyptic number.

142545150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142545150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222307200).

142545150 is an abundant number, since it is smaller than the sum of its proper divisors (302069250).

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

142545150 is a wasteful number, since it uses less digits than its factorization.

142545150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 142545150 is about 11939.2273619359. The cubic root of 142545150 is about 522.3771221162.

Subtracting from 142545150 its reverse (51545241), we obtain a palindrome (90999909).

The spelling of 142545150 in words is "one hundred forty-two million, five hundred forty-five thousand, one hundred fifty".