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142575418 = 2149478441
BaseRepresentation
bin10000111111110…
…00011100111010
3100221021120201001
420133320130322
5242444403133
622051515214
73350604526
oct1037703472
9327246631
10142575418
1173531027
123b8b8b0a
13236cc66b
1414d14d86
15c7b487d
hex87f873a

142575418 has 8 divisors (see below), whose sum is σ = 215298900. Its totient is φ = 70809120.

The previous prime is 142575371. The next prime is 142575421. The reversal of 142575418 is 814575241.

It can be written as a sum of positive squares in 2 ways, for example, as 142396489 + 178929 = 11933^2 + 423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238923 + ... + 239518.

Almost surely, 2142575418 is an apocalyptic number.

142575418 is a deficient number, since it is larger than the sum of its proper divisors (72723482).

142575418 is a wasteful number, since it uses less digits than its factorization.

142575418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478592.

The product of its digits is 44800, while the sum is 37.

The square root of 142575418 is about 11940.4948808665. The cubic root of 142575418 is about 522.4140933068.

The spelling of 142575418 in words is "one hundred forty-two million, five hundred seventy-five thousand, four hundred eighteen".

Divisors: 1 2 149 298 478441 956882 71287709 142575418