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145965833 = 1313185711
BaseRepresentation
bin10001011001101…
…00001100001001
3101011122211110222
420230310030021
5244331401313
622252315425
73421455236
oct1054641411
9334584428
10145965833
1175437322
1240a72b75
1324318920
141555878d
15cc34208
hex8b34309

145965833 has 8 divisors (see below), whose sum is σ = 158395776. Its totient is φ = 133707600.

The previous prime is 145965803. The next prime is 145965839. The reversal of 145965833 is 338569541.

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

It is not a de Polignac number, because 145965833 - 214 = 145949449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145965839) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 41153 + ... + 44558.

It is an arithmetic number, because the mean of its divisors is an integer number (19799472).

Almost surely, 2145965833 is an apocalyptic number.

145965833 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145965833 is a deficient number, since it is larger than the sum of its proper divisors (12429943).

145965833 is a wasteful number, since it uses less digits than its factorization.

145965833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85855.

The product of its digits is 388800, while the sum is 44.

The square root of 145965833 is about 12081.6320503482. The cubic root of 145965833 is about 526.5226640340.

The spelling of 145965833 in words is "one hundred forty-five million, nine hundred sixty-five thousand, eight hundred thirty-three".

Divisors: 1 13 131 1703 85711 1114243 11228141 145965833