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145433060 = 22553137201
BaseRepresentation
bin10001010101100…
…10000111100100
3101010122202122122
420222302013210
5244212324220
622233045112
73414106043
oct1052620744
9333582578
10145433060
1175103013
1240856798
1324190286
141545a55a
15cb7b425
hex8ab21e4

145433060 has 24 divisors (see below), whose sum is σ = 311174136. Its totient is φ = 57075200.

The previous prime is 145433047. The next prime is 145433069. The reversal of 145433060 is 60334541.

It can be written as a sum of positive squares in 4 ways, for example, as 4631104 + 140801956 = 2152^2 + 11866^2 .

It is not an unprimeable number, because it can be changed into a prime (145433069) 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, 67541 + ... + 69660.

It is an arithmetic number, because the mean of its divisors is an integer number (12965589).

Almost surely, 2145433060 is an apocalyptic number.

145433060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145433060 is an abundant number, since it is smaller than the sum of its proper divisors (165741076).

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

145433060 is a wasteful number, since it uses less digits than its factorization.

145433060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137263 (or 137261 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 145433060 is about 12059.5630103250. The cubic root of 145433060 is about 525.8812832361.

The spelling of 145433060 in words is "one hundred forty-five million, four hundred thirty-three thousand, sixty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 137201 274402 548804 686005 1372010 2744020 7271653 14543306 29086612 36358265 72716530 145433060