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145060180 = 2257253009
BaseRepresentation
bin10001010010101…
…11000101010100
3101002221211011021
420221113011110
5244113411210
622221050524
73410663656
oct1051270524
9332854137
10145060180
1174978951
12406b6a44
132408c635
14153a06d6
15cb05bda
hex8a57154

145060180 has 12 divisors (see below), whose sum is σ = 304626420. Its totient is φ = 58024064.

The previous prime is 145060177. The next prime is 145060183. The reversal of 145060180 is 81060541.

It is an interprime number because it is at equal distance from previous prime (145060177) and next prime (145060183).

It can be written as a sum of positive squares in 2 ways, for example, as 17189316 + 127870864 = 4146^2 + 11308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145060183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3626485 + ... + 3626524.

It is an arithmetic number, because the mean of its divisors is an integer number (25385535).

Almost surely, 2145060180 is an apocalyptic number.

145060180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145060180 is an abundant number, since it is smaller than the sum of its proper divisors (159566240).

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

145060180 is a wasteful number, since it uses less digits than its factorization.

145060180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253018 (or 7253016 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 145060180 is about 12044.0931580588. The cubic root of 145060180 is about 525.4314578675.

The spelling of 145060180 in words is "one hundred forty-five million, sixty thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 7253009 14506018 29012036 36265045 72530090 145060180