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145234806 = 2335276863
BaseRepresentation
bin10001010100000…
…01101101110110
3101010021200200220
420222001231312
5244140003211
622224515210
73412322043
oct1052015566
9333250626
10145234806
1174a88072
124077bb06
1324120c72
14154081ca
15cb3c806
hex8a81b76

145234806 has 16 divisors (see below), whose sum is σ = 290594304. Its totient is φ = 48390824.

The previous prime is 145234801. The next prime is 145234807. The reversal of 145234806 is 608432541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145234801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17731 + ... + 24593.

It is an arithmetic number, because the mean of its divisors is an integer number (18162144).

Almost surely, 2145234806 is an apocalyptic number.

145234806 is an abundant number, since it is smaller than the sum of its proper divisors (145359498).

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

145234806 is a wasteful number, since it uses less digits than its factorization.

145234806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10395.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 145234806 is about 12051.3404233720. The cubic root of 145234806 is about 525.6422145341.

The spelling of 145234806 in words is "one hundred forty-five million, two hundred thirty-four thousand, eight hundred six".

Divisors: 1 2 3 6 3527 6863 7054 10581 13726 20589 21162 41178 24205801 48411602 72617403 145234806