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145445041 = 733162773
BaseRepresentation
bin10001010101101…
…01000010110001
3101010200101002101
420222311002301
5244213220131
622233220401
73414156010
oct1052650261
9333611071
10145445041
1175111015
1240861701
1324195871
1415460a77
15cb7ec61
hex8ab50b1

145445041 has 8 divisors (see below), whose sum is σ = 166727744. Its totient is φ = 124288560.

The previous prime is 145445033. The next prime is 145445051. The reversal of 145445041 is 140544541.

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 145445041 - 23 = 145445033 is a prime.

It is a pancake number, because a pancake can be divided into 145445041 parts by 17055 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145445011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29070 + ... + 33703.

It is an arithmetic number, because the mean of its divisors is an integer number (20840968).

Almost surely, 2145445041 is an apocalyptic number.

It is an amenable number.

145445041 is a deficient number, since it is larger than the sum of its proper divisors (21282703).

145445041 is an equidigital number, since it uses as much as digits as its factorization.

145445041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63111.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 145445041 is about 12060.0597428039. The cubic root of 145445041 is about 525.8957238102.

Adding to 145445041 its reverse (140544541), we get a palindrome (285989582).

The spelling of 145445041 in words is "one hundred forty-five million, four hundred forty-five thousand, forty-one".

Divisors: 1 7 331 2317 62773 439411 20777863 145445041