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145982 = 2471553
BaseRepresentation
bin100011101000111110
321102020202
4203220332
514132412
63043502
71145414
oct435076
9242222
10145982
119a751
1270592
13515a5
143b2b4
152d3c2
hex23a3e

145982 has 8 divisors (see below), whose sum is σ = 223776. Its totient is φ = 71392.

The previous prime is 145969. The next prime is 145987. The reversal of 145982 is 289541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683 + ... + 870.

It is an arithmetic number, because the mean of its divisors is an integer number (27972).

2145982 is an apocalyptic number.

145982 is a deficient number, since it is larger than the sum of its proper divisors (77794).

145982 is a wasteful number, since it uses less digits than its factorization.

145982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602.

The product of its digits is 2880, while the sum is 29.

The square root of 145982 is about 382.0759086883. The cubic root of 145982 is about 52.6542102322.

The spelling of 145982 in words is "one hundred forty-five thousand, nine hundred eighty-two".

Divisors: 1 2 47 94 1553 3106 72991 145982