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142745152136 = 23198803106681
BaseRepresentation
bin1000010011110001000…
…1100010101010001000
3111122110011012001112112
42010330101202222020
54314320224332021
6145324244001452
713212233526206
oct2047421425210
9448404161475
10142745152136
11555a0a0a614
12237b9090288
13105cb527382
146ca2056076
153aa6c24d5b
hex213c462a88

142745152136 has 32 divisors (see below), whose sum is σ = 281768498400. Its totient is φ = 67607809920.

The previous prime is 142745152133. The next prime is 142745152141. The reversal of 142745152136 is 631251547241.

It is a junction number, because it is equal to n+sod(n) for n = 142745152093 and 142745152102.

It is not an unprimeable number, because it can be changed into a prime (142745152133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284716 + ... + 1391396.

It is an arithmetic number, because the mean of its divisors is an integer number (8805265575).

Almost surely, 2142745152136 is an apocalyptic number.

It is an amenable number.

142745152136 is a deficient number, since it is larger than the sum of its proper divisors (139023346264).

142745152136 is a wasteful number, since it uses less digits than its factorization.

142745152136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115509 (or 115505 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

Adding to 142745152136 its reverse (631251547241), we get a palindrome (773996699377).

The spelling of 142745152136 in words is "one hundred forty-two billion, seven hundred forty-five million, one hundred fifty-two thousand, one hundred thirty-six".

Divisors: 1 2 4 8 19 38 76 152 8803 17606 35212 70424 106681 167257 213362 334514 426724 669028 853448 1338056 2026939 4053878 8107756 16215512 939112843 1878225686 3756451372 7512902744 17843144017 35686288034 71372576068 142745152136