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145530626 = 272765313
BaseRepresentation
bin10001010110010…
…01111100000010
3101010211201111012
420223021330002
5244223440001
622235120522
73414663353
oct1053117402
9333751435
10145530626
117516a34a
12408a3142
13241c57c7
1415483d2a
15cb9a2bb
hex8ac9f02

145530626 has 4 divisors (see below), whose sum is σ = 218295942. Its totient is φ = 72765312.

The previous prime is 145530611. The next prime is 145530631. The reversal of 145530626 is 626035541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 86471401 + 59059225 = 9299^2 + 7685^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145530592 and 145530601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36382655 + ... + 36382658.

Almost surely, 2145530626 is an apocalyptic number.

145530626 is a deficient number, since it is larger than the sum of its proper divisors (72765316).

145530626 is an equidigital number, since it uses as much as digits as its factorization.

145530626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72765315.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 145530626 is about 12063.6075035621. The cubic root of 145530626 is about 525.9988554578.

The spelling of 145530626 in words is "one hundred forty-five million, five hundred thirty thousand, six hundred twenty-six".

Divisors: 1 2 72765313 145530626