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145902 = 2324317
BaseRepresentation
bin100011100111101110
321102010210
4203213232
514132102
63043250
71145241
oct434756
9242123
10145902
119a689
1270526
1351543
143b258
152d36c
hex239ee

145902 has 8 divisors (see below), whose sum is σ = 291816. Its totient is φ = 48632.

The previous prime is 145897. The next prime is 145903. The reversal of 145902 is 209541.

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

145902 is an admirable number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145902.

It is not an unprimeable number, because it can be changed into a prime (145903) by changing a digit.

145902 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12153 + ... + 12164.

It is an arithmetic number, because the mean of its divisors is an integer number (36477).

2145902 is an apocalyptic number.

145902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145902 is a wasteful number, since it uses less digits than its factorization.

145902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24322.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 145902 is about 381.9712031031. The cubic root of 145902 is about 52.6445900815.

It can be divided in two parts, 14 and 5902, that multiplied together give a palindrome (82628).

The spelling of 145902 in words is "one hundred forty-five thousand, nine hundred two".

Divisors: 1 2 3 6 24317 48634 72951 145902