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142954 = 2710211
BaseRepresentation
bin100010111001101010
321021002121
4202321222
514033304
63021454
71133530
oct427152
9237077
10142954
1198449
126a88a
13500b6
143a150
152c554
hex22e6a

142954 has 8 divisors (see below), whose sum is σ = 245088. Its totient is φ = 61260.

The previous prime is 142949. The next prime is 142963. The reversal of 142954 is 459241.

142954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×1429542 = 40871692232, which contains 22 as substring.

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, 5092 + ... + 5119.

It is an arithmetic number, because the mean of its divisors is an integer number (30636).

2142954 is an apocalyptic number.

142954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142954 is a deficient number, since it is larger than the sum of its proper divisors (102134).

142954 is a wasteful number, since it uses less digits than its factorization.

142954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10220.

The product of its digits is 1440, while the sum is 25.

The square root of 142954 is about 378.0925812549. The cubic root of 142954 is about 52.2876075183.

The spelling of 142954 in words is "one hundred forty-two thousand, nine hundred fifty-four".

Divisors: 1 2 7 14 10211 20422 71477 142954