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145228014 = 2328068223
BaseRepresentation
bin10001010100000…
…00000011101110
3101010021100101100
420222000003232
5244134244024
622224423530
73412263201
oct1052000356
9333240340
10145228014
1174a82a58
1240777ba6
132411ab49
1415405938
15cb3a7c9
hex8a800ee

145228014 has 12 divisors (see below), whose sum is σ = 314660736. Its totient is φ = 48409332.

The previous prime is 145227977. The next prime is 145228019. The reversal of 145228014 is 410822541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145228019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4034094 + ... + 4034129.

It is an arithmetic number, because the mean of its divisors is an integer number (26221728).

Almost surely, 2145228014 is an apocalyptic number.

145228014 is an abundant number, since it is smaller than the sum of its proper divisors (169432722).

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

145228014 is a wasteful number, since it uses less digits than its factorization.

145228014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8068231 (or 8068228 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 145228014 is about 12051.0586256976. The cubic root of 145228014 is about 525.6340204066.

The spelling of 145228014 in words is "one hundred forty-five million, two hundred twenty-eight thousand, fourteen".

Divisors: 1 2 3 6 9 18 8068223 16136446 24204669 48409338 72614007 145228014