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145662345 = 3256475003
BaseRepresentation
bin10001010111010…
…10000110001001
3101011002102011200
420223222012021
5244242143340
622242014413
73416052363
oct1053520611
9334072150
10145662345
117524a304
1240947409
132424074a
14154b9d33
15cbc4330
hex8aea189

145662345 has 24 divisors (see below), whose sum is σ = 252922176. Its totient is φ = 77551008.

The previous prime is 145662343. The next prime is 145662347. The reversal of 145662345 is 543266541.

It is an interprime number because it is at equal distance from previous prime (145662343) and next prime (145662347).

It is not a de Polignac number, because 145662345 - 21 = 145662343 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (145662343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26614 + ... + 31616.

It is an arithmetic number, because the mean of its divisors is an integer number (10538424).

Almost surely, 2145662345 is an apocalyptic number.

145662345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145662345 is a deficient number, since it is larger than the sum of its proper divisors (107259831).

145662345 is a wasteful number, since it uses less digits than its factorization.

145662345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5661 (or 5658 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 145662345 is about 12069.0656224912. The cubic root of 145662345 is about 526.1575005320.

The spelling of 145662345 in words is "one hundred forty-five million, six hundred sixty-two thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 45 647 1941 3235 5003 5823 9705 15009 25015 29115 45027 75045 225135 3236941 9710823 16184705 29132469 48554115 145662345