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145744303 = 281601863
BaseRepresentation
bin10001010111111…
…10000110101111
3101011020120121011
420223332012233
5244302304203
622243450051
73416543335
oct1053760657
9334216534
10145744303
11752a5941
1240986927
132426bb43
14154dbb55
15cbdd76d
hex8afe1af

145744303 has 8 divisors (see below), whose sum is σ = 146676096. Its totient is φ = 144816000.

The previous prime is 145744297. The next prime is 145744387. The reversal of 145744303 is 303447541.

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 145744303 - 213 = 145736111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145741303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168450 + ... + 169312.

It is an arithmetic number, because the mean of its divisors is an integer number (18334512).

Almost surely, 2145744303 is an apocalyptic number.

145744303 is a deficient number, since it is larger than the sum of its proper divisors (931793).

145744303 is an equidigital number, since it uses as much as digits as its factorization.

145744303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 145744303 is about 12072.4605197118. The cubic root of 145744303 is about 526.2561641712.

The spelling of 145744303 in words is "one hundred forty-five million, seven hundred forty-four thousand, three hundred three".

Divisors: 1 281 601 863 168881 242503 518663 145744303