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145011055 = 5741139727
BaseRepresentation
bin10001010010010…
…11000101101111
3101002212022202211
420221023011233
5244110323210
622220031251
73410400520
oct1051130557
9332768684
10145011055
1174944a52
1240692527
1324073177
141538a847
15cae638a
hex8a4b16f

145011055 has 32 divisors (see below), whose sum is σ = 205470720. Its totient is φ = 96180480.

The previous prime is 145011047. The next prime is 145011131. The reversal of 145011055 is 550110541.

It is a happy number.

145011055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145011055 - 23 = 145011047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199102 + ... + 199828.

It is an arithmetic number, because the mean of its divisors is an integer number (6420960).

Almost surely, 2145011055 is an apocalyptic number.

145011055 is a deficient number, since it is larger than the sum of its proper divisors (60459665).

145011055 is a wasteful number, since it uses less digits than its factorization.

145011055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 145011055 is about 12042.0536039332. The cubic root of 145011055 is about 525.3721382695.

Adding to 145011055 its reverse (550110541), we get a palindrome (695121596).

The spelling of 145011055 in words is "one hundred forty-five million, eleven thousand, fifty-five".

Divisors: 1 5 7 35 41 139 205 287 695 727 973 1435 3635 4865 5089 5699 25445 28495 29807 39893 101053 149035 199465 208649 505265 707371 1043245 3536855 4143173 20715865 29002211 145011055