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145511054 = 21343157829
BaseRepresentation
bin10001010110001…
…01001010001110
3101010210201122022
420223011022032
5244222323204
622234450142
73414552323
oct1053051216
9333721568
10145511054
1175156677
1240893952
13241b9920
141547ab4a
15cb945be
hex8ac528e

145511054 has 32 divisors (see below), whose sum is σ = 242346720. Its totient is φ = 65100672.

The previous prime is 145511053. The next prime is 145511057. The reversal of 145511054 is 450115541.

145511054 = T2580 + T2581 + ... + T2622.

145511054 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145511053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175112 + ... + 175940.

It is an arithmetic number, because the mean of its divisors is an integer number (7573335).

Almost surely, 2145511054 is an apocalyptic number.

145511054 is a deficient number, since it is larger than the sum of its proper divisors (96835666).

145511054 is a wasteful number, since it uses less digits than its factorization.

145511054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 145511054 is about 12062.7962761542. The cubic root of 145511054 is about 525.9752743706.

Adding to 145511054 its reverse (450115541), we get a palindrome (595626595).

The spelling of 145511054 in words is "one hundred forty-five million, five hundred eleven thousand, fifty-four".

Divisors: 1 2 13 26 43 86 157 314 559 829 1118 1658 2041 4082 6751 10777 13502 21554 35647 71294 87763 130153 175526 260306 463411 926822 1691989 3383978 5596579 11193158 72755527 145511054