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145016459 = 761339617
BaseRepresentation
bin10001010010011…
…00011010001011
3101002212121011222
420221030122023
5244111011314
622220112255
73410422340
oct1051143213
9332777158
10145016459
1174949015
124069568b
1324075773
141538c7c7
15cae7c8e
hex8a4c68b

145016459 has 8 divisors (see below), whose sum is σ = 168450528. Its totient is φ = 122261760.

The previous prime is 145016447. The next prime is 145016483. The reversal of 145016459 is 954610541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145016459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145046459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169382 + ... + 170235.

It is an arithmetic number, because the mean of its divisors is an integer number (21056316).

Almost surely, 2145016459 is an apocalyptic number.

145016459 is a deficient number, since it is larger than the sum of its proper divisors (23434069).

145016459 is an equidigital number, since it uses as much as digits as its factorization.

145016459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339685.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 145016459 is about 12042.2779821760. The cubic root of 145016459 is about 525.3786643829.

The spelling of 145016459 in words is "one hundred forty-five million, sixteen thousand, four hundred fifty-nine".

Divisors: 1 7 61 427 339617 2377319 20716637 145016459