Search a number
-
+
145014785 = 547296133
BaseRepresentation
bin10001010010011…
…00000000000001
3101002212111212222
420221030000001
5244110433120
622220100425
73410414426
oct1051140001
9332774788
10145014785
1174947833
1240694715
1324074a86
141538bd4d
15cae7525
hex8a4c001

145014785 has 8 divisors (see below), whose sum is σ = 174082920. Its totient is φ = 115968384.

The previous prime is 145014767. The next prime is 145014797. The reversal of 145014785 is 587410541.

It can be written as a sum of positive squares in 4 ways, for example, as 13017664 + 131997121 = 3608^2 + 11489^2 .

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 145014785 - 216 = 144949249 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20579 + ... + 26711.

It is an arithmetic number, because the mean of its divisors is an integer number (21760365).

It is a Proth number, since it is equal to 8851 ⋅ 214 + 1 and 8851 < 214.

Almost surely, 2145014785 is an apocalyptic number.

It is an amenable number.

145014785 is a deficient number, since it is larger than the sum of its proper divisors (29068135).

145014785 is an equidigital number, since it uses as much as digits as its factorization.

145014785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10867.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 145014785 is about 12042.2084768534. The cubic root of 145014785 is about 525.3766428026.

The spelling of 145014785 in words is "one hundred forty-five million, fourteen thousand, seven hundred eighty-five".

Divisors: 1 5 4729 6133 23645 30665 29002957 145014785