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144575542 = 2831974421
BaseRepresentation
bin10001001111000…
…00110000110110
3101002001012100201
420213200300312
5244002404132
622202431114
73403605016
oct1047406066
9332035321
10144575542
1174677821
124050249a
1323c4cb77
14152b5c46
15ca5c2e7
hex89e0c36

144575542 has 16 divisors (see below), whose sum is σ = 220640112. Its totient is φ = 71038240.

The previous prime is 144575533. The next prime is 144575549. The reversal of 144575542 is 245575441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144575549) 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, 30492 + ... + 34912.

It is an arithmetic number, because the mean of its divisors is an integer number (13790007).

Almost surely, 2144575542 is an apocalyptic number.

144575542 is a deficient number, since it is larger than the sum of its proper divisors (76064570).

144575542 is a wasteful number, since it uses less digits than its factorization.

144575542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703.

The product of its digits is 112000, while the sum is 37.

The square root of 144575542 is about 12023.9570025845. The cubic root of 144575542 is about 524.8456592417.

The spelling of 144575542 in words is "one hundred forty-four million, five hundred seventy-five thousand, five hundred forty-two".

Divisors: 1 2 83 166 197 394 4421 8842 16351 32702 366943 733886 870937 1741874 72287771 144575542