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145033001 = 1768312491
BaseRepresentation
bin10001010010100…
…00011100101001
3101002220102212122
420221100130221
5244112024001
622220321025
73410521511
oct1051203451
9332812778
10145033001
117495a493
12406a3175
1324080159
1415394841
15caecb1b
hex8a50729

145033001 has 8 divisors (see below), whose sum is σ = 153801504. Its totient is φ = 136290880.

The previous prime is 145032997. The next prime is 145033013. The reversal of 145033001 is 100330541.

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 145033001 - 22 = 145032997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145033501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5366 + ... + 17856.

It is an arithmetic number, because the mean of its divisors is an integer number (19225188).

Almost surely, 2145033001 is an apocalyptic number.

It is an amenable number.

145033001 is a deficient number, since it is larger than the sum of its proper divisors (8768503).

145033001 is a wasteful number, since it uses less digits than its factorization.

145033001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13191.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 145033001 is about 12042.9647927742. The cubic root of 145033001 is about 525.3986402383.

Adding to 145033001 its reverse (100330541), we get a palindrome (245363542).

The spelling of 145033001 in words is "one hundred forty-five million, thirty-three thousand, one".

Divisors: 1 17 683 11611 12491 212347 8531353 145033001