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145422032 = 2478111601
BaseRepresentation
bin10001010101011…
…11011011010000
3101010122012112012
420222233123100
5244212001112
622232522052
73414031640
oct1052573320
9333565465
10145422032
11750a57a8
1240850328
1324188252
1415456520
15cb78022
hex8aaf6d0

145422032 has 40 divisors (see below), whose sum is σ = 322604352. Its totient is φ = 62208000.

The previous prime is 145422007. The next prime is 145422049. The reversal of 145422032 is 230224541.

It is a happy number.

145422032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1454220322 = 42295134782018048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145421989 and 145422007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90032 + ... + 91632.

Almost surely, 2145422032 is an apocalyptic number.

It is an amenable number.

145422032 is an abundant number, since it is smaller than the sum of its proper divisors (177182320).

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

145422032 is a wasteful number, since it uses less digits than its factorization.

145422032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 145422032 is about 12059.1057711590. The cubic root of 145422032 is about 525.8679906019.

Adding to 145422032 its reverse (230224541), we get a palindrome (375646573).

The spelling of 145422032 in words is "one hundred forty-five million, four hundred twenty-two thousand, thirty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 811 1601 1622 3202 3244 5677 6404 6488 11207 11354 12808 12976 22414 22708 25616 44828 45416 89656 90832 179312 1298411 2596822 5193644 9088877 10387288 18177754 20774576 36355508 72711016 145422032