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145130545 = 574146587
BaseRepresentation
bin10001010011010…
…00010000110001
3101010002101200101
420221220100301
5244123134140
622222352401
73411406060
oct1051502061
9333071611
10145130545
1174a167aa
124072b701
13240b5681
14153bc1d7
15cb1b99a
hex8a68431

145130545 has 8 divisors (see below), whose sum is σ = 199036224. Its totient is φ = 99518064.

The previous prime is 145130537. The next prime is 145130567. The reversal of 145130545 is 545031541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145130545 - 23 = 145130537 is a prime.

It is a Duffinian 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, 2073259 + ... + 2073328.

It is an arithmetic number, because the mean of its divisors is an integer number (24879528).

Almost surely, 2145130545 is an apocalyptic number.

It is an amenable number.

145130545 is a deficient number, since it is larger than the sum of its proper divisors (53905679).

145130545 is an equidigital number, since it uses as much as digits as its factorization.

145130545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146599.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 145130545 is about 12047.0139453725. The cubic root of 145130545 is about 525.5164019417.

The spelling of 145130545 in words is "one hundred forty-five million, one hundred thirty thousand, five hundred forty-five".

Divisors: 1 5 7 35 4146587 20732935 29026109 145130545