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145201504 = 257313229
BaseRepresentation
bin10001010011110…
…01100101100000
3101010020000000111
420221321211200
5244132422004
622224101104
73412123000
oct1051714540
9333200014
10145201504
1174a65048
1240764794
132410ba66
14153da000
15cb32a04
hex8a79960

145201504 has 48 divisors (see below), whose sum is σ = 333396000. Its totient is φ = 62224512.

The previous prime is 145201501. The next prime is 145201523. The reversal of 145201504 is 405102541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145201501) 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, 4362 + ... + 17590.

It is an arithmetic number, because the mean of its divisors is an integer number (6945750).

Almost surely, 2145201504 is an apocalyptic number.

145201504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145201504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166698000).

145201504 is an abundant number, since it is smaller than the sum of its proper divisors (188194496).

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

145201504 is an equidigital number, since it uses as much as digits as its factorization.

145201504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13260 (or 13238 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 145201504 is about 12049.9586721283. The cubic root of 145201504 is about 525.6020352878.

The spelling of 145201504 in words is "one hundred forty-five million, two hundred one thousand, five hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 343 392 686 784 1372 1568 2744 5488 10976 13229 26458 52916 92603 105832 185206 211664 370412 423328 648221 740824 1296442 1481648 2592884 2963296 4537547 5185768 9075094 10371536 18150188 20743072 36300376 72600752 145201504