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142495675 = 5272891307
BaseRepresentation
bin10000111111001…
…00111110111011
3100221010112022121
420133210332323
5242434330200
622050102111
73350123200
oct1037447673
9327115277
10142495675
1173487123
123b87a937
13236a228a
1414cd3ca7
15c79ae1a
hex87e4fbb

142495675 has 36 divisors (see below), whose sum is σ = 208011240. Its totient is φ = 96539520.

The previous prime is 142495673. The next prime is 142495699. The reversal of 142495675 is 576594241.

It is not a de Polignac number, because 142495675 - 21 = 142495673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142495673) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 108372 + ... + 109678.

It is an arithmetic number, because the mean of its divisors is an integer number (5778090).

Almost surely, 2142495675 is an apocalyptic number.

142495675 is a deficient number, since it is larger than the sum of its proper divisors (65515565).

142495675 is a wasteful number, since it uses less digits than its factorization.

142495675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420 (or 1408 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 142495675 is about 11937.1552306234. The cubic root of 142495675 is about 522.3166790478.

The spelling of 142495675 in words is "one hundred forty-two million, four hundred ninety-five thousand, six hundred seventy-five".

Divisors: 1 5 7 25 35 49 89 175 245 445 623 1225 1307 2225 3115 4361 6535 9149 15575 21805 32675 45745 64043 109025 116323 228725 320215 581615 814261 1601075 2908075 4071305 5699827 20356525 28499135 142495675