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145163001 = 3414632549
BaseRepresentation
bin10001010011100…
…00001011111001
3101010011001012110
420221300023321
5244130204001
622223202533
73411602514
oct1051601371
9333131173
10145163001
1174a39125
1240746449
13240c7389
14153c9d7b
15cb263d6
hex8a702f9

145163001 has 16 divisors (see below), whose sum is σ = 198777600. Its totient is φ = 94174080.

The previous prime is 145162999. The next prime is 145163003. The reversal of 145163001 is 100361541.

It is an interprime number because it is at equal distance from previous prime (145162999) and next prime (145163003).

It is not a de Polignac number, because 145163001 - 21 = 145162999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145163003) 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 15 ways as a sum of consecutive naturals, for example, 55675 + ... + 58223.

It is an arithmetic number, because the mean of its divisors is an integer number (12423600).

Almost surely, 2145163001 is an apocalyptic number.

It is an amenable number.

145163001 is a deficient number, since it is larger than the sum of its proper divisors (53614599).

145163001 is a wasteful number, since it uses less digits than its factorization.

145163001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 145163001 is about 12048.3609258687. The cubic root of 145163001 is about 525.5555733168. Note that the first 4 decimals are identical.

The spelling of 145163001 in words is "one hundred forty-five million, one hundred sixty-three thousand, one".

Divisors: 1 3 41 123 463 1389 2549 7647 18983 56949 104509 313527 1180187 3540561 48387667 145163001